2400342312 has 32 divisors (see below), whose sum is σ = 6102568800. Its totient is φ = 786552384.

The previous prime is 2400342223. The next prime is 2400342317. The reversal of 2400342312 is 2132430042.

It is not an unprimeable number, because it can be changed into a prime (2400342317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846163 + ... + 848994.

It is an arithmetic number, because the mean of its divisors is an integer number (190705275).

Almost surely, 2^2400342312 is an apocalyptic number.

It is an amenable number.

2400342312 is an abundant number, since it is smaller than the sum of its proper divisors (3702226488).

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

2400342312 is a wasteful number, since it uses less digits than its factorization.

2400342312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695225 (or 1695221 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2400342312 is about 48993.2884383157. The cubic root of 2400342312 is about 1338.9295512860.

Adding to 2400342312 its reverse (2132430042), we get a palindrome (4532772354).

The spelling of 2400342312 in words is "two billion, four hundred million, three hundred forty-two thousand, three hundred twelve".