256032112620 has 24 divisors (see below), whose sum is σ = 716889915504. Its totient is φ = 68275230016.

The previous prime is 256032112597. The next prime is 256032112643. The reversal of 256032112620 is 26211230652.

It is an interprime number because it is at equal distance from previous prime (256032112597) and next prime (256032112643).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133600879 + ... + 2133600998.

It is an arithmetic number, because the mean of its divisors is an integer number (29870413146).

Almost surely, 2^256032112620 is an apocalyptic number.

256032112620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256032112620 is an abundant number, since it is smaller than the sum of its proper divisors (460857802884).

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

256032112620 is a wasteful number, since it uses less digits than its factorization.

256032112620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267201889 (or 4267201887 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 256032112620 in words is "two hundred fifty-six billion, thirty-two million, one hundred twelve thousand, six hundred twenty".