256725435706332 has 24 divisors (see below), whose sum is σ = 599026365622272. Its totient is φ = 85575095382000.

The previous prime is 256725435706307. The next prime is 256725435706403. The reversal of 256725435706332 is 233607534527652.

It is a congruent number.

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, 19462707 + ... + 29870517.

It is an arithmetic number, because the mean of its divisors is an integer number (24959431900928).

Almost surely, 2^{256725435706332} is an apocalyptic number.

It is an amenable number.

256725435706332 is an abundant number, since it is smaller than the sum of its proper divisors (342300929915940).

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

256725435706332 is a wasteful number, since it uses less digits than its factorization.

256725435706332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12463369 (or 12463367 counting only the distinct ones).

The product of its (nonzero) digits is 190512000, while the sum is 60.

The spelling of 256725435706332 in words is "two hundred fifty-six trillion, seven hundred twenty-five billion, four hundred thirty-five million, seven hundred six thousand, three hundred thirty-two".