402108004 has 24 divisors (see below), whose sum is σ = 756211680. Its totient is φ = 186400896.

The previous prime is 402107977. The next prime is 402108023. The reversal of 402108004 is 400801204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39574 + ... + 48685.

It is an arithmetic number, because the mean of its divisors is an integer number (31508820).

Almost surely, 2^402108004 is an apocalyptic number.

It is an amenable number.

402108004 is a deficient number, since it is larger than the sum of its proper divisors (354103676).

402108004 is a wasteful number, since it uses less digits than its factorization.

402108004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88347 (or 88345 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 402108004 is about 20052.6308498411. The cubic root of 402108004 is about 738.0983581814.

Adding to 402108004 its reverse (400801204), we get a palindrome (802909208).

The spelling of 402108004 in words is "four hundred two million, one hundred eight thousand, four".