30475721055264 has 48 divisors (see below), whose sum is σ = 80001440981280. Its totient is φ = 10158234229760.

The previous prime is 30475721055179. The next prime is 30475721055317. The reversal of 30475721055264 is 46255012757403.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×30475721055264² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407929 + ... + 8170040.

It is an arithmetic number, because the mean of its divisors is an integer number (1666696687110).

Almost surely, 2^{30475721055264} is an apocalyptic number.

It is an amenable number.

30475721055264 is an abundant number, since it is smaller than the sum of its proper divisors (49525719926016).

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

30475721055264 is a wasteful number, since it uses less digits than its factorization.

30475721055264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607993 (or 10607985 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 51.

The spelling of 30475721055264 in words is "thirty trillion, four hundred seventy-five billion, seven hundred twenty-one million, fifty-five thousand, two hundred sixty-four".