52211306040 has 128 divisors (see below), whose sum is σ = 158895475200. Its totient is φ = 13722785280.

The previous prime is 52211306029. The next prime is 52211306041. The reversal of 52211306040 is 4060311225.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52211306040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52211306041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4366470 + ... + 4378410.

It is an arithmetic number, because the mean of its divisors is an integer number (1241370900).

Almost surely, 2^52211306040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52211306040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79447737600).

52211306040 is an abundant number, since it is smaller than the sum of its proper divisors (106684169160).

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

52211306040 is a wasteful number, since it uses less digits than its factorization.

52211306040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12477 (or 12473 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 52211306040 its reverse (4060311225), we get a palindrome (56271617265).

The spelling of 52211306040 in words is "fifty-two billion, two hundred eleven million, three hundred six thousand, forty".