2542430656 has 28 divisors (see below), whose sum is σ = 5081979168. Its totient is φ = 1261932032.

The previous prime is 2542430647. The next prime is 2542430669. The reversal of 2542430656 is 6560342452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136216 + ... + 153751.

It is an arithmetic number, because the mean of its divisors is an integer number (181499256).

Almost surely, 2^2542430656 is an apocalyptic number.

It is an amenable number.

2542430656 is a deficient number, since it is larger than the sum of its proper divisors (2539548512).

2542430656 is a wasteful number, since it uses less digits than its factorization.

2542430656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290116 (or 290106 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 2542430656 is about 50422.5213173637. The cubic root of 2542430656 is about 1364.8440752716.

The spelling of 2542430656 in words is "two billion, five hundred forty-two million, four hundred thirty thousand, six hundred fifty-six".