2560311142 has 32 divisors (see below), whose sum is σ = 4191667200. Its totient is φ = 1168408800.

The previous prime is 2560311071. The next prime is 2560311167. The reversal of 2560311142 is 2411130652.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265017 + ... + 274507.

It is an arithmetic number, because the mean of its divisors is an integer number (130989600).

Almost surely, 2^2560311142 is an apocalyptic number.

2560311142 is a deficient number, since it is larger than the sum of its proper divisors (1631356058).

2560311142 is a wasteful number, since it uses less digits than its factorization.

2560311142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9772.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2560311142 is about 50599.5172111355. The cubic root of 2560311142 is about 1368.0361764854.

Adding to 2560311142 its reverse (2411130652), we get a palindrome (4971441794).

The spelling of 2560311142 in words is "two billion, five hundred sixty million, three hundred eleven thousand, one hundred forty-two".