402622672664 has 32 divisors (see below), whose sum is σ = 771609920400. Its totient is φ = 196894669440.

The previous prime is 402622672609. The next prime is 402622672679. The reversal of 402622672664 is 466276226204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072027 + ... + 2257994.

Almost surely, 2^402622672664 is an apocalyptic number.

It is an amenable number.

402622672664 is a deficient number, since it is larger than the sum of its proper divisors (368987247736).

402622672664 is a wasteful number, since it uses less digits than its factorization.

402622672664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330283 (or 4330279 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 47.

Adding to 402622672664 its reverse (466276226204), we get a palindrome (868898898868).

The spelling of 402622672664 in words is "four hundred two billion, six hundred twenty-two million, six hundred seventy-two thousand, six hundred sixty-four".