2312956240 has 80 divisors (see below), whose sum is σ = 6288847488. Its totient is φ = 774563328.

The previous prime is 2312956237. The next prime is 2312956259. The reversal of 2312956240 is 426592132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2312956196 and 2312956205.

It is a congruent number.

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, 23947 + ... + 72106.

Almost surely, 2^2312956240 is an apocalyptic number.

2312956240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312956240 is an abundant number, since it is smaller than the sum of its proper divisors (3975891248).

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

2312956240 is a wasteful number, since it uses less digits than its factorization.

2312956240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96116 (or 96110 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2312956240 is about 48093.2036778587. The cubic root of 2312956240 is about 1322.4800787448.

The spelling of 2312956240 in words is "two billion, three hundred twelve million, nine hundred fifty-six thousand, two hundred forty".