2990402544 has 40 divisors (see below), whose sum is σ = 8179632720. Its totient is φ = 938165248.

The previous prime is 2990402543. The next prime is 2990402549. The reversal of 2990402544 is 4452040992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990402543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1831539 + ... + 1833170.

It is an arithmetic number, because the mean of its divisors is an integer number (204490818).

Almost surely, 2^2990402544 is an apocalyptic number.

2990402544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2990402544 is an abundant number, since it is smaller than the sum of its proper divisors (5189230176).

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

2990402544 is a wasteful number, since it uses less digits than its factorization.

2990402544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664737 (or 3664731 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2990402544 is about 54684.5731811084. The cubic root of 2990402544 is about 1440.7099354305.

The spelling of 2990402544 in words is "two billion, nine hundred ninety million, four hundred two thousand, five hundred forty-four".