402088500868 has 12 divisors (see below), whose sum is σ = 704045591452. Its totient is φ = 200932617600.

The previous prime is 402088500841. The next prime is 402088500871. The reversal of 402088500868 is 868005880204.

It can be written as a sum of positive squares in 2 ways, for example, as 101530175044 + 300558325824 = 318638^2 + 548232^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 27900105 + ... + 27914512.

Almost surely, 2^402088500868 is an apocalyptic number.

It is an amenable number.

402088500868 is a deficient number, since it is larger than the sum of its proper divisors (301957090584).

402088500868 is a wasteful number, since it uses less digits than its factorization.

402088500868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55816422 (or 55816420 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 49.

The spelling of 402088500868 in words is "four hundred two billion, eighty-eight million, five hundred thousand, eight hundred sixty-eight".