2303982780 has 72 divisors (see below), whose sum is σ = 7090957776. Its totient is φ = 558539520.

The previous prime is 2303982773. The next prime is 2303982803. The reversal of 2303982780 is 872893032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151417 + ... + 165936.

Almost surely, 2^2303982780 is an apocalyptic number.

2303982780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303982780 is an abundant number, since it is smaller than the sum of its proper divisors (4786974996).

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

2303982780 is a wasteful number, since it uses less digits than its factorization.

2303982780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317387 (or 317374 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2303982780 is about 47999.8206246648. The cubic root of 2303982780 is about 1320.7676090874.

The spelling of 2303982780 in words is "two billion, three hundred three million, nine hundred eighty-two thousand, seven hundred eighty".