2990811980 has 48 divisors (see below), whose sum is σ = 6771737280. Its totient is φ = 1103010048.

The previous prime is 2990811973. The next prime is 2990811997. The reversal of 2990811980 is 891180992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232682 + ... + 245198.

It is an arithmetic number, because the mean of its divisors is an integer number (141077860).

Almost surely, 2^2990811980 is an apocalyptic number.

2990811980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2990811980 is an abundant number, since it is smaller than the sum of its proper divisors (3780925300).

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

2990811980 is a wasteful number, since it uses less digits than its factorization.

2990811980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13458 (or 13456 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 2990811980 is about 54688.3166681879. The cubic root of 2990811980 is about 1440.7756848389.

The spelling of 2990811980 in words is "two billion, nine hundred ninety million, eight hundred eleven thousand, nine hundred eighty".