402104664 has 48 divisors (see below), whose sum is σ = 1172808000. Its totient is φ = 123724224.

The previous prime is 402104629. The next prime is 402104683. The reversal of 402104664 is 466401204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213864 + ... + 215735.

It is an arithmetic number, because the mean of its divisors is an integer number (24433500).

Almost surely, 2^402104664 is an apocalyptic number.

It is an amenable number.

402104664 is an abundant number, since it is smaller than the sum of its proper divisors (770703336).

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

402104664 is a wasteful number, since it uses less digits than its factorization.

402104664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429624 (or 429617 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 402104664 is about 20052.5475688253. The cubic root of 402104664 is about 738.0963145718.

Adding to 402104664 its reverse (466401204), we get a palindrome (868505868).

The spelling of 402104664 in words is "four hundred two million, one hundred four thousand, six hundred sixty-four".