2043855464 has 48 divisors (see below), whose sum is σ = 4720143780. Its totient is φ = 824409600.

The previous prime is 2043855421. The next prime is 2043855511. The reversal of 2043855464 is 4645583402.

It can be written as a sum of positive squares in 2 ways, for example, as 2003278564 + 40576900 = 44758^2 + 6370^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146687 + ... + 160014.

Almost surely, 2^2043855464 is an apocalyptic number.

It is an amenable number.

2043855464 is an abundant number, since it is smaller than the sum of its proper divisors (2676288316).

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

2043855464 is a wasteful number, since it uses less digits than its factorization.

2043855464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306738 (or 306727 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The square root of 2043855464 is about 45209.0197195206. The cubic root of 2043855464 is about 1269.0636171211.

The spelling of 2043855464 in words is "two billion, forty-three million, eight hundred fifty-five thousand, four hundred sixty-four".