30885984052672 has 56 divisors (see below), whose sum is σ = 70268785808096. Its totient is φ = 13194559991808.

The previous prime is 30885984052601. The next prime is 30885984052691. The reversal of 30885984052672 is 27625048958803.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 30885984052598 and 30885984052607.

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, 109990653 + ... + 110271100.

Almost surely, 2^{30885984052672} is an apocalyptic number.

30885984052672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30885984052672 is an abundant number, since it is smaller than the sum of its proper divisors (39382801755424).

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

30885984052672 is a wasteful number, since it uses less digits than its factorization.

30885984052672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220262085 (or 220262075 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 30885984052672 in words is "thirty trillion, eight hundred eighty-five billion, nine hundred eighty-four million, fifty-two thousand, six hundred seventy-two".