30671905628 has 48 divisors (see below), whose sum is σ = 66117542400. Its totient is φ = 12123843264.

The previous prime is 30671905591. The next prime is 30671905657. The reversal of 30671905628 is 82650917603.

It is a super-3 number, since 3×30671905628³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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, 410723 + ... + 479621.

It is an arithmetic number, because the mean of its divisors is an integer number (1377448800).

Almost surely, 2^30671905628 is an apocalyptic number.

It is an amenable number.

30671905628 is an abundant number, since it is smaller than the sum of its proper divisors (35445636772).

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

30671905628 is a wasteful number, since it uses less digits than its factorization.

30671905628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70146 (or 70144 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 30671905628 in words is "thirty billion, six hundred seventy-one million, nine hundred five thousand, six hundred twenty-eight".