2890600640 has 56 divisors (see below), whose sum is σ = 6889558992. Its totient is φ = 1155179520.

The previous prime is 2890600639. The next prime is 2890600649. The reversal of 2890600640 is 460060982.

It is a self number, because there is not a number n which added to its sum of digits gives 2890600640.

It is not an unprimeable number, because it can be changed into a prime (2890600649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409622 + ... + 416618.

Almost surely, 2^2890600640 is an apocalyptic number.

2890600640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2890600640 is an abundant number, since it is smaller than the sum of its proper divisors (3998958352).

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

2890600640 is a wasteful number, since it uses less digits than its factorization.

2890600640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305 (or 8295 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2890600640 is about 53764.3063751407. The cubic root of 2890600640 is about 1424.5008022655.

The spelling of 2890600640 in words is "two billion, eight hundred ninety million, six hundred thousand, six hundred forty".