2402440312 has 32 divisors (see below), whose sum is σ = 4578068880. Its totient is φ = 1181744640.

The previous prime is 2402440253. The next prime is 2402440319. The reversal of 2402440312 is 2130442042.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402440319) 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, 152518 + ... + 167530.

Almost surely, 2^2402440312 is an apocalyptic number.

It is an amenable number.

2402440312 is a deficient number, since it is larger than the sum of its proper divisors (2175628568).

2402440312 is a wasteful number, since it uses less digits than its factorization.

2402440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343 (or 15339 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2402440312 is about 49014.6948577669. The cubic root of 2402440312 is about 1339.3195312437.

Adding to 2402440312 its reverse (2130442042), we get a palindrome (4532882354).

The spelling of 2402440312 in words is "two billion, four hundred two million, four hundred forty thousand, three hundred twelve".