30879462990 has 64 divisors (see below), whose sum is σ = 74890126080. Its totient is φ = 8148314880.

The previous prime is 30879462931. The next prime is 30879463031. The reversal of 30879462990 is 9926497803.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30879462990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1268130 + ... + 1292250.

It is an arithmetic number, because the mean of its divisors is an integer number (1170158220).

Almost surely, 2^30879462990 is an apocalyptic number.

30879462990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30879462990 is an abundant number, since it is smaller than the sum of its proper divisors (44010663090).

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

30879462990 is a wasteful number, since it uses less digits than its factorization.

30879462990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24577.

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 30879462990 in words is "thirty billion, eight hundred seventy-nine million, four hundred sixty-two thousand, nine hundred ninety".