64232112256 has 32 divisors (see below), whose sum is σ = 137805677100. Its totient is φ = 29645589504.

The previous prime is 64232112239. The next prime is 64232112319. The reversal of 64232112256 is 65221123246.

It can be written as a sum of positive squares in 2 ways, for example, as 64171022400 + 61089856 = 253320^2 + 7816^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19298851 + ... + 19302178.

Almost surely, 2^64232112256 is an apocalyptic number.

It is an amenable number.

64232112256 is an abundant number, since it is smaller than the sum of its proper divisors (73573564844).

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

64232112256 is a wasteful number, since it uses less digits than its factorization.

64232112256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38601056 (or 38601044 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The spelling of 64232112256 in words is "sixty-four billion, two hundred thirty-two million, one hundred twelve thousand, two hundred fifty-six".