2545242656 has 48 divisors (see below), whose sum is σ = 5470996608. Its totient is φ = 1155974400.

The previous prime is 2545242593. The next prime is 2545242671. The reversal of 2545242656 is 6562425452.

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, 593801 + ... + 598071.

It is an arithmetic number, because the mean of its divisors is an integer number (113979096).

Almost surely, 2^2545242656 is an apocalyptic number.

It is an amenable number.

2545242656 is an abundant number, since it is smaller than the sum of its proper divisors (2925753952).

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

2545242656 is a wasteful number, since it uses less digits than its factorization.

2545242656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5985 (or 5977 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The square root of 2545242656 is about 50450.3979766265. The cubic root of 2545242656 is about 1365.3470752181.

The spelling of 2545242656 in words is "two billion, five hundred forty-five million, two hundred forty-two thousand, six hundred fifty-six".