32513333140 has 96 divisors (see below), whose sum is σ = 75686688000. Its totient is φ = 11676690432.

The previous prime is 32513333081. The next prime is 32513333179. The reversal of 32513333140 is 4133331523.

It is a junction number, because it is equal to n+sod(n) for n = 32513333099 and 32513333108.

It is a congruent number.

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, 935596 + ... + 969724.

It is an arithmetic number, because the mean of its divisors is an integer number (788403000).

Almost surely, 2^32513333140 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 32513333140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37843344000).

32513333140 is an abundant number, since it is smaller than the sum of its proper divisors (43173354860).

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

32513333140 is a wasteful number, since it uses less digits than its factorization.

32513333140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34289 (or 34287 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 32513333140 its reverse (4133331523), we get a palindrome (36646664663).

The spelling of 32513333140 in words is "thirty-two billion, five hundred thirteen million, three hundred thirty-three thousand, one hundred forty".