232356640056 has 128 divisors (see below), whose sum is σ = 606905376000. Its totient is φ = 74074549248.

The previous prime is 232356640049. The next prime is 232356640069. The reversal of 232356640056 is 650046653232.

It is a super-2 number, since 2×232356640056² (a number of 24 digits) contains 22 as substring.

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, 10460610 + ... + 10482798.

It is an arithmetic number, because the mean of its divisors is an integer number (4741448250).

Almost surely, 2^232356640056 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 232356640056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303452688000).

232356640056 is an abundant number, since it is smaller than the sum of its proper divisors (374548735944).

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

232356640056 is a wasteful number, since it uses less digits than its factorization.

232356640056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22453 (or 22449 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 232356640056 in words is "two hundred thirty-two billion, three hundred fifty-six million, six hundred forty thousand, fifty-six".