2312244140 has 24 divisors (see below), whose sum is σ = 5111277360. Its totient is φ = 876218688.

The previous prime is 2312244139. The next prime is 2312244157. The reversal of 2312244140 is 414422132.

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, 3042047 + ... + 3042806.

It is an arithmetic number, because the mean of its divisors is an integer number (212969890).

Almost surely, 2^2312244140 is an apocalyptic number.

2312244140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312244140 is an abundant number, since it is smaller than the sum of its proper divisors (2799033220).

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

2312244140 is a wasteful number, since it uses less digits than its factorization.

2312244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084881 (or 6084879 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2312244140 is about 48085.7997749855. The cubic root of 2312244140 is about 1322.3443455635.

Adding to 2312244140 its reverse (414422132), we get a palindrome (2726666272).

The spelling of 2312244140 in words is "two billion, three hundred twelve million, two hundred forty-four thousand, one hundred forty".