6631404321324 has 48 divisors (see below), whose sum is σ = 15492067136000. Its totient is φ = 2207784845376.

The previous prime is 6631404321301. The next prime is 6631404321383. The reversal of 6631404321324 is 4231234041366.

It is a super-2 number, since 2×6631404321324² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51041454 + ... + 51171210.

Almost surely, 2^{6631404321324} is an apocalyptic number.

It is an amenable number.

6631404321324 is an abundant number, since it is smaller than the sum of its proper divisors (8860662814676).

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

6631404321324 is a wasteful number, since it uses less digits than its factorization.

6631404321324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134902 (or 134900 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 6631404321324 in words is "six trillion, six hundred thirty-one billion, four hundred four million, three hundred twenty-one thousand, three hundred twenty-four".