30412735520 has 24 divisors (see below), whose sum is σ = 71850088044. Its totient is φ = 12165094144.

The previous prime is 30412735471. The next prime is 30412735523. The reversal of 30412735520 is 2553721403.

It can be written as a sum of positive squares in 2 ways, for example, as 25114642576 + 5298092944 = 158476^2 + 72788^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (30412735523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95039639 + ... + 95039958.

Almost surely, 2^30412735520 is an apocalyptic number.

It is an amenable number.

30412735520 is an abundant number, since it is smaller than the sum of its proper divisors (41437352524).

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

30412735520 is a wasteful number, since it uses less digits than its factorization.

30412735520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190079612 (or 190079604 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 30412735520 in words is "thirty billion, four hundred twelve million, seven hundred thirty-five thousand, five hundred twenty".