2400031252 has 12 divisors (see below), whose sum is σ = 4200952756. Its totient is φ = 1199759040.

The previous prime is 2400031229. The next prime is 2400031259. The reversal of 2400031252 is 2521300042.

It can be written as a sum of positive squares in 2 ways, for example, as 1910913796 + 489117456 = 43714^2 + 22116^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400031259) 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 3 ways as a sum of consecutive naturals, for example, 42273 + ... + 81160.

Almost surely, 2^2400031252 is an apocalyptic number.

It is an amenable number.

2400031252 is a deficient number, since it is larger than the sum of its proper divisors (1800921504).

2400031252 is a wasteful number, since it uses less digits than its factorization.

2400031252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128298 (or 128296 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2400031252 is about 48990.1138190145. The cubic root of 2400031252 is about 1338.8717115609.

Adding to 2400031252 its reverse (2521300042), we get a palindrome (4921331294).

The spelling of 2400031252 in words is "two billion, four hundred million, thirty-one thousand, two hundred fifty-two".