2045865045264 has 40 divisors (see below), whose sum is σ = 5427993300480. Its totient is φ = 663523797888.

The previous prime is 2045865045239. The next prime is 2045865045277. The reversal of 2045865045264 is 4625405685402.

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, 575973744 + ... + 575977295.

It is an arithmetic number, because the mean of its divisors is an integer number (135699832512).

Almost surely, 2^{2045865045264} is an apocalyptic number.

2045865045264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2045865045264 is an abundant number, since it is smaller than the sum of its proper divisors (3382128255216).

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

2045865045264 is a wasteful number, since it uses less digits than its factorization.

2045865045264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151951087 (or 1151951081 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 51.

The spelling of 2045865045264 in words is "two trillion, forty-five billion, eight hundred sixty-five million, forty-five thousand, two hundred sixty-four".