4078025531256 has 16 divisors (see below), whose sum is σ = 10195063828200. Its totient is φ = 1359341843744.

The previous prime is 4078025531231. The next prime is 4078025531269. The reversal of 4078025531256 is 6521355208704.

It is a congruent number.

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, 84958865211 + ... + 84958865258.

Almost surely, 2^{4078025531256} is an apocalyptic number.

It is an amenable number.

4078025531256 is an abundant number, since it is smaller than the sum of its proper divisors (6117038296944).

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

4078025531256 is a wasteful number, since it uses less digits than its factorization.

4078025531256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169917730478 (or 169917730474 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 4078025531256 in words is "four trillion, seventy-eight billion, twenty-five million, five hundred thirty-one thousand, two hundred fifty-six".