2312404140 has 48 divisors (see below), whose sum is σ = 6524179200. Its totient is φ = 611931840.

The previous prime is 2312404123. The next prime is 2312404147. The reversal of 2312404140 is 414042132.

2312404140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2312404147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139240 + ... + 154959.

It is an arithmetic number, because the mean of its divisors is an integer number (135920400).

Almost surely, 2^2312404140 is an apocalyptic number.

2312404140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312404140 is an abundant number, since it is smaller than the sum of its proper divisors (4211775060).

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

2312404140 is a wasteful number, since it uses less digits than its factorization.

2312404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294342 (or 294340 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2312404140 is about 48087.4634390295. The cubic root of 2312404140 is about 1322.3748455457.

Adding to 2312404140 its reverse (414042132), we get a palindrome (2726446272).

The spelling of 2312404140 in words is "two billion, three hundred twelve million, four hundred four thousand, one hundred forty".