2312640052 has 24 divisors (see below), whose sum is σ = 4246172672. Its totient is φ = 1100671200.

The previous prime is 2312640023. The next prime is 2312640053. The reversal of 2312640052 is 2500462132.

It is a super-2 number, since 2×2312640052² = 10696608020229125408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2312639999 and 2312640026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312640053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145308 + ... + 160435.

Almost surely, 2^2312640052 is an apocalyptic number.

It is an amenable number.

2312640052 is a deficient number, since it is larger than the sum of its proper divisors (1933532620).

2312640052 is a wasteful number, since it uses less digits than its factorization.

2312640052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305839 (or 305837 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2312640052 is about 48089.9163234872. The cubic root of 2312640052 is about 1322.4198136780.

The spelling of 2312640052 in words is "two billion, three hundred twelve million, six hundred forty thousand, fifty-two".