30502525530 has 16 divisors (see below), whose sum is σ = 73206061344. Its totient is φ = 8134006800.

The previous prime is 30502525523. The next prime is 30502525567. The reversal of 30502525530 is 3552520503.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1016750851 = 30502525530 / (3 + 0 + 5 + 0 + 2 + 5 + 2 + 5 + 5 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508375396 + ... + 508375455.

It is an arithmetic number, because the mean of its divisors is an integer number (4575378834).

Almost surely, 2^30502525530 is an apocalyptic number.

30502525530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30502525530 is an abundant number, since it is smaller than the sum of its proper divisors (42703535814).

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

30502525530 is a wasteful number, since it uses less digits than its factorization.

30502525530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016750861.

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 30502525530 in words is "thirty billion, five hundred two million, five hundred twenty-five thousand, five hundred thirty".