30646470512 has 40 divisors (see below), whose sum is σ = 67869319776. Its totient is φ = 13132406016.

The previous prime is 30646470487. The next prime is 30646470523. The reversal of 30646470512 is 21507464603.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103258 + ... + 1130694.

Almost surely, 2^30646470512 is an apocalyptic number.

It is an amenable number.

30646470512 is an abundant number, since it is smaller than the sum of its proper divisors (37222849264).

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

30646470512 is a wasteful number, since it uses less digits than its factorization.

30646470512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37425 (or 37419 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 30646470512 in words is "thirty billion, six hundred forty-six million, four hundred seventy thousand, five hundred twelve".