2999999980 has 24 divisors (see below), whose sum is σ = 6304934160. Its totient is φ = 1199060160.

The previous prime is 2999999929. The next prime is 3000000019. The reversal of 2999999980 is 899999992.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32275 + ... + 83914.

It is an arithmetic number, because the mean of its divisors is an integer number (262705590).

Almost surely, 2^2999999980 is an apocalyptic number.

2999999980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2999999980 is an abundant number, since it is smaller than the sum of its proper divisors (3304934180).

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

2999999980 is a wasteful number, since it uses less digits than its factorization.

2999999980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117489 (or 117487 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 73.

The square root of 2999999980 is about 54772.2555679424. The cubic root of 2999999980 is about 1442.2495671024.

The spelling of 2999999980 in words is "two billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty".