2251142404 has 48 divisors (see below), whose sum is σ = 4586803200. Its totient is φ = 946724256.

The previous prime is 2251142389. The next prime is 2251142441. The reversal of 2251142404 is 4042411522.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1424887 + ... + 1426465.

It is an arithmetic number, because the mean of its divisors is an integer number (95558400).

Almost surely, 2^2251142404 is an apocalyptic number.

It is an amenable number.

2251142404 is an abundant number, since it is smaller than the sum of its proper divisors (2335660796).

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

2251142404 is a wasteful number, since it uses less digits than its factorization.

2251142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2251142404 is about 47446.2053698713. The cubic root of 2251142404 is about 1310.5924333181.

Adding to 2251142404 its reverse (4042411522), we get a palindrome (6293553926).

The spelling of 2251142404 in words is "two billion, two hundred fifty-one million, one hundred forty-two thousand, four hundred four".