30990044160 has 264 divisors, whose sum is σ = 108751705920. Its totient is φ = 8158445568.

The previous prime is 30990044153. The next prime is 30990044201. The reversal of 30990044160 is 6144009903.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3636064 + ... + 3644576.

It is an arithmetic number, because the mean of its divisors is an integer number (411938280).

Almost surely, 2^30990044160 is an apocalyptic number.

30990044160 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 30990044160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54375852960).

30990044160 is an abundant number, since it is smaller than the sum of its proper divisors (77761661760).

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

30990044160 is a wasteful number, since it uses less digits than its factorization.

30990044160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623 (or 8602 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 30990044160 in words is "thirty billion, nine hundred ninety million, forty-four thousand, one hundred sixty".