30492128256 has 44 divisors (see below), whose sum is σ = 81272646912. Its totient is φ = 10164041728.

The previous prime is 30492128153. The next prime is 30492128299. The reversal of 30492128256 is 65282129403.

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, 4959840 + ... + 4965983.

Almost surely, 2^30492128256 is an apocalyptic number.

It is an amenable number.

30492128256 is an abundant number, since it is smaller than the sum of its proper divisors (50780518656).

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

30492128256 is an equidigital number, since it uses as much as digits as its factorization.

30492128256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9925846 (or 9925828 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 30492128256 in words is "thirty billion, four hundred ninety-two million, one hundred twenty-eight thousand, two hundred fifty-six".