2990688740 has 24 divisors (see below), whose sum is σ = 6763558200. Its totient is φ = 1104254208.

The previous prime is 2990688721. The next prime is 2990688763. The reversal of 2990688740 is 478860992.

It can be written as a sum of positive squares in 4 ways, for example, as 284192164 + 2706496576 = 16858^2 + 52024^2 .

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 7 ways as a sum of consecutive naturals, for example, 5751065 + ... + 5751584.

It is an arithmetic number, because the mean of its divisors is an integer number (281814925).

Almost surely, 2^2990688740 is an apocalyptic number.

2990688740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2990688740 is an abundant number, since it is smaller than the sum of its proper divisors (3772869460).

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

2990688740 is a wasteful number, since it uses less digits than its factorization.

2990688740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11502671 (or 11502669 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 2990688740 is about 54687.1899076923. The cubic root of 2990688740 is about 1440.7558949361.

The spelling of 2990688740 in words is "two billion, nine hundred ninety million, six hundred eighty-eight thousand, seven hundred forty".