2540474056 has 32 divisors (see below), whose sum is σ = 5031417600. Its totient is φ = 1200669120.

The previous prime is 2540474029. The next prime is 2540474071. The reversal of 2540474056 is 6504740452.

2540474056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2540474056² = 12908016858418182272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108451 + ... + 129778.

It is an arithmetic number, because the mean of its divisors is an integer number (157231800).

Almost surely, 2^2540474056 is an apocalyptic number.

It is an amenable number.

2540474056 is a deficient number, since it is larger than the sum of its proper divisors (2490943544).

2540474056 is a wasteful number, since it uses less digits than its factorization.

2540474056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238309 (or 238305 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 2540474056 is about 50403.1155386252. The cubic root of 2540474056 is about 1364.4938671947.

The spelling of 2540474056 in words is "two billion, five hundred forty million, four hundred seventy-four thousand, fifty-six".