250190393868 has 48 divisors (see below), whose sum is σ = 650933861760. Its totient is φ = 83102099472.

The previous prime is 250190393851. The next prime is 250190393891. The reversal of 250190393868 is 868393091052.

250190393868 is a `hidden beast` number, since 2 + 5 + 0 + 190 + 393 + 8 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4062330 + ... + 4123457.

It is an arithmetic number, because the mean of its divisors is an integer number (13561122120).

Almost surely, 2^250190393868 is an apocalyptic number.

It is an amenable number.

250190393868 is an abundant number, since it is smaller than the sum of its proper divisors (400743467892).

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

250190393868 is a wasteful number, since it uses less digits than its factorization.

250190393868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186083 (or 8186075 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 250190393868 in words is "two hundred fifty billion, one hundred ninety million, three hundred ninety-three thousand, eight hundred sixty-eight".