250591460640 has 96 divisors (see below), whose sum is σ = 797501013120. Its totient is φ = 66135465984.

The previous prime is 250591460633. The next prime is 250591460653. The reversal of 250591460640 is 46064195052.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 250591460592 and 250591460601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644500 + ... + 2737619.

It is an arithmetic number, because the mean of its divisors is an integer number (8307302220).

Almost surely, 2^250591460640 is an apocalyptic number.

250591460640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250591460640 is an abundant number, since it is smaller than the sum of its proper divisors (546909552480).

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

250591460640 is a wasteful number, since it uses less digits than its factorization.

250591460640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382234 (or 5382226 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 250591460640 in words is "two hundred fifty billion, five hundred ninety-one million, four hundred sixty thousand, six hundred forty".