2045909760 has 72 divisors (see below), whose sum is σ = 6534136560. Its totient is φ = 545574912.

The previous prime is 2045909743. The next prime is 2045909773. The reversal of 2045909760 is 679095402.

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, 262555 + ... + 270234.

Almost surely, 2^2045909760 is an apocalyptic number.

2045909760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2045909760 is an abundant number, since it is smaller than the sum of its proper divisors (4488226800).

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

2045909760 is an equidigital number, since it uses as much as digits as its factorization.

2045909760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532813 (or 532799 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 2045909760 is about 45231.7339928506. The cubic root of 2045909760 is about 1269.4886568554.

The spelling of 2045909760 in words is "two billion, forty-five million, nine hundred nine thousand, seven hundred sixty".