2547722656 has 24 divisors (see below), whose sum is σ = 5037370884. Its totient is φ = 1268390400.

The previous prime is 2547722651. The next prime is 2547722669. The reversal of 2547722656 is 6562277452.

2547722656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2428912656 + 118810000 = 49284^2 + 10900^2 .

It is not an unprimeable number, because it can be changed into a prime (2547722651) 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, 163395 + ... + 178306.

Almost surely, 2^2547722656 is an apocalyptic number.

It is an amenable number.

2547722656 is a deficient number, since it is larger than the sum of its proper divisors (2489648228).

2547722656 is a wasteful number, since it uses less digits than its factorization.

2547722656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341944 (or 341936 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 46.

The square root of 2547722656 is about 50474.9705893921. The cubic root of 2547722656 is about 1365.7903808990.

The spelling of 2547722656 in words is "two billion, five hundred forty-seven million, seven hundred twenty-two thousand, six hundred fifty-six".