2287992940 has 48 divisors (see below), whose sum is σ = 5148777312. Its totient is φ = 850973696.

The previous prime is 2287992929. The next prime is 2287992979. The reversal of 2287992940 is 492997822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12319 + ... + 68758.

It is an arithmetic number, because the mean of its divisors is an integer number (107266194).

Almost surely, 2^2287992940 is an apocalyptic number.

2287992940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2287992940 is an abundant number, since it is smaller than the sum of its proper divisors (2860784372).

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

2287992940 is a wasteful number, since it uses less digits than its factorization.

2287992940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81186 (or 81184 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2287992940 is about 47832.9691739913. The cubic root of 2287992940 is about 1317.7050995709.

The spelling of 2287992940 in words is "two billion, two hundred eighty-seven million, nine hundred ninety-two thousand, nine hundred forty".