2040459864 has 32 divisors (see below), whose sum is σ = 5102971440. Its totient is φ = 679910400.

The previous prime is 2040459859. The next prime is 2040459887. The reversal of 2040459864 is 4689540402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61284 + ... + 88524.

Almost surely, 2^2040459864 is an apocalyptic number.

2040459864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2040459864 is an abundant number, since it is smaller than the sum of its proper divisors (3062511576).

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

2040459864 is a wasteful number, since it uses less digits than its factorization.

2040459864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30371 (or 30367 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 2040459864 is about 45171.4496557283. The cubic root of 2040459864 is about 1268.3604328518.

The spelling of 2040459864 in words is "two billion, forty million, four hundred fifty-nine thousand, eight hundred sixty-four".