2502744656 has 20 divisors (see below), whose sum is σ = 4881616500. Its totient is φ = 1242972672.

The previous prime is 2502744653. The next prime is 2502744683. The reversal of 2502744656 is 6564472052.

It can be written as a sum of positive squares in 2 ways, for example, as 1450391056 + 1052353600 = 38084^2 + 32440^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502744653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522521 + ... + 527288.

It is an arithmetic number, because the mean of its divisors is an integer number (244080825).

Almost surely, 2^2502744656 is an apocalyptic number.

It is an amenable number.

2502744656 is a deficient number, since it is larger than the sum of its proper divisors (2378871844).

2502744656 is a wasteful number, since it uses less digits than its factorization.

2502744656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049966 (or 1049960 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The square root of 2502744656 is about 50027.4390309958. The cubic root of 2502744656 is about 1357.7053028207.

The spelling of 2502744656 in words is "two billion, five hundred two million, seven hundred forty-four thousand, six hundred fifty-six".