250878049642 has 64 divisors (see below), whose sum is σ = 416099109888. Its totient is φ = 112502800000.

The previous prime is 250878049613. The next prime is 250878049679. The reversal of 250878049642 is 246940878052.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329668542 + ... + 329669302.

It is an arithmetic number, because the mean of its divisors is an integer number (6501548592).

Almost surely, 2^250878049642 is an apocalyptic number.

250878049642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

250878049642 is a deficient number, since it is larger than the sum of its proper divisors (165221060246).

250878049642 is a wasteful number, since it uses less digits than its factorization.

250878049642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515.

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

The spelling of 250878049642 in words is "two hundred fifty billion, eight hundred seventy-eight million, forty-nine thousand, six hundred forty-two".