2331112640 has 56 divisors (see below), whose sum is σ = 5555693232. Its totient is φ = 931650560.

The previous prime is 2331112631. The next prime is 2331112661. The reversal of 2331112640 is 462111332.

It is a super-2 number, since 2×2331112640² = 10868172280735539200, which contains 22 as substring.

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, 500402 + ... + 505038.

Almost surely, 2^2331112640 is an apocalyptic number.

2331112640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331112640 is an abundant number, since it is smaller than the sum of its proper divisors (3224580592).

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

2331112640 is a wasteful number, since it uses less digits than its factorization.

2331112640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2331112640 is about 48281.5973223753. The cubic root of 2331112640 is about 1325.9314945116.

Adding to 2331112640 its reverse (462111332), we get a palindrome (2793223972).

The spelling of 2331112640 in words is "two billion, three hundred thirty-one million, one hundred twelve thousand, six hundred forty".