30539794272 has 48 divisors (see below), whose sum is σ = 86333652720. Its totient is φ = 9396859392.

The previous prime is 30539794261. The next prime is 30539794277. The reversal of 30539794272 is 27249793503.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30539794277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12234247 + ... + 12236742.

It is an arithmetic number, because the mean of its divisors is an integer number (1798617765).

Almost surely, 2^30539794272 is an apocalyptic number.

30539794272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30539794272 is an abundant number, since it is smaller than the sum of its proper divisors (55793858448).

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

30539794272 is a wasteful number, since it uses less digits than its factorization.

30539794272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24471015 (or 24471007 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 30539794272 in words is "thirty billion, five hundred thirty-nine million, seven hundred ninety-four thousand, two hundred seventy-two".