213201440104240 has 160 divisors (see below), whose sum is σ = 579742651952640. Its totient is φ = 71390129836032.

The previous prime is 213201440104201. The next prime is 213201440104259. The reversal of 213201440104240 is 42401044102312.

213201440104240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 213201440104199 and 213201440104208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229235032 + ... + 230163208.

It is an arithmetic number, because the mean of its divisors is an integer number (3623391574704).

Almost surely, 2^{213201440104240} is an apocalyptic number.

213201440104240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213201440104240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289871325976320).

213201440104240 is an abundant number, since it is smaller than the sum of its proper divisors (366541211848400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213201440104240 is a wasteful number, since it uses less digits than its factorization.

213201440104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937779 (or 937773 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 213201440104240 its reverse (42401044102312), we get a palindrome (255602484206552).

The spelling of 213201440104240 in words is "two hundred thirteen trillion, two hundred one billion, four hundred forty million, one hundred four thousand, two hundred forty".