2590001640 has 96 divisors (see below), whose sum is σ = 8689075200. Its totient is φ = 668384640.

The previous prime is 2590001639. The next prime is 2590001651. The reversal of 2590001640 is 461000952.

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 23 ways as a sum of consecutive naturals, for example, 104880 + ... + 127199.

It is an arithmetic number, because the mean of its divisors is an integer number (90511200).

Almost surely, 2^2590001640 is an apocalyptic number.

2590001640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2590001640 is an abundant number, since it is smaller than the sum of its proper divisors (6099073560).

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

2590001640 is a wasteful number, since it uses less digits than its factorization.

2590001640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232127 (or 232120 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2590001640 is about 50892.0587125339. The cubic root of 2590001640 is about 1373.3039831496.

The spelling of 2590001640 in words is "two billion, five hundred ninety million, one thousand, six hundred forty".