30724539216 has 80 divisors (see below), whose sum is σ = 91171200384. Its totient is φ = 8733860352.

The previous prime is 30724539203. The next prime is 30724539233. The reversal of 30724539216 is 61293542703.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 165895 + ... + 298278.

Almost surely, 2^30724539216 is an apocalyptic number.

It is an amenable number.

30724539216 is an abundant number, since it is smaller than the sum of its proper divisors (60446661168).

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

30724539216 is a wasteful number, since it uses less digits than its factorization.

30724539216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464388 (or 464382 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 30724539216 in words is "thirty billion, seven hundred twenty-four million, five hundred thirty-nine thousand, two hundred sixteen".