250428269872 has 40 divisors (see below), whose sum is σ = 529497337680. Its totient is φ = 113791668480.

The previous prime is 250428269863. The next prime is 250428269963. The reversal of 250428269872 is 278962824052.

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, 267418 + ... + 756550.

It is an arithmetic number, because the mean of its divisors is an integer number (13237433442).

Almost surely, 2^250428269872 is an apocalyptic number.

250428269872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

250428269872 is an abundant number, since it is smaller than the sum of its proper divisors (279069067808).

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

250428269872 is a wasteful number, since it uses less digits than its factorization.

250428269872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492061 (or 492055 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 250428269872 in words is "two hundred fifty billion, four hundred twenty-eight million, two hundred sixty-nine thousand, eight hundred seventy-two".