402424868 has 12 divisors (see below), whose sum is σ = 706734000. Its totient is φ = 200500872.

The previous prime is 402424849. The next prime is 402424871. The reversal of 402424868 is 868424204.

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, 176618 + ... + 178881.

It is an arithmetic number, because the mean of its divisors is an integer number (58894500).

Almost surely, 2^402424868 is an apocalyptic number.

It is an amenable number.

402424868 is a deficient number, since it is larger than the sum of its proper divisors (304309132).

402424868 is a wasteful number, since it uses less digits than its factorization.

402424868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355786 (or 355784 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 402424868 is about 20060.5301026668. The cubic root of 402424868 is about 738.2921828840.

The spelling of 402424868 in words is "four hundred two million, four hundred twenty-four thousand, eight hundred sixty-eight".