30996506880 has 432 divisors, whose sum is σ = 109633095936. Its totient is φ = 8084275200.

The previous prime is 30996506813. The next prime is 30996506887. The reversal of 30996506880 is 8860569903.

It is not an unprimeable number, because it can be changed into a prime (30996506887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179170474 + ... + 179170646.

Almost surely, 2^30996506880 is an apocalyptic number.

30996506880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30996506880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54816547968).

30996506880 is an abundant number, since it is smaller than the sum of its proper divisors (78636589056).

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

30996506880 is a wasteful number, since it uses less digits than its factorization.

30996506880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 30996506880 in words is "thirty billion, nine hundred ninety-six million, five hundred six thousand, eight hundred eighty".