30643225472 has 32 divisors (see below), whose sum is σ = 61651503000. Its totient is φ = 15169907200.

The previous prime is 30643225469. The next prime is 30643225489. The reversal of 30643225472 is 27452234603.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172222 + ... + 1198077.

Almost surely, 2^30643225472 is an apocalyptic number.

30643225472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30643225472 is an abundant number, since it is smaller than the sum of its proper divisors (31008277528).

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

30643225472 is a wasteful number, since it uses less digits than its factorization.

30643225472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370414 (or 2370402 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 30643225472 in words is "thirty billion, six hundred forty-three million, two hundred twenty-five thousand, four hundred seventy-two".