30664741824 has 42 divisors (see below), whose sum is σ = 87894947400. Its totient is φ = 10221580416.

The previous prime is 30664741817. The next prime is 30664741837. The reversal of 30664741824 is 42814746603.

It is a super-2 number, since 2×30664741824² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30664741824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26618124 + ... + 26619275.

Almost surely, 2^30664741824 is an apocalyptic number.

It is an amenable number.

30664741824 is an abundant number, since it is smaller than the sum of its proper divisors (57230205576).

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

30664741824 is a wasteful number, since it uses less digits than its factorization.

30664741824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53237417 (or 53237404 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 30664741824 in words is "thirty billion, six hundred sixty-four million, seven hundred forty-one thousand, eight hundred twenty-four".