2560724730 has 24 divisors (see below), whose sum is σ = 6657884532. Its totient is φ = 682859904.

The previous prime is 2560724717. The next prime is 2560724809. The reversal of 2560724730 is 374270652.

It is a happy number.

2560724730 is a `hidden beast` number, since 2 + 5 + 607 + 2 + 47 + 3 + 0 = 666.

2560724730 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 2545303401 + 15421329 = 50451^2 + 3927^2 .

It is a super-2 number, since 2×2560724730² = 13114622285667145800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14226159 + ... + 14226338.

Almost surely, 2^2560724730 is an apocalyptic number.

2560724730 is an abundant number, since it is smaller than the sum of its proper divisors (4097159802).

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

2560724730 is a wasteful number, since it uses less digits than its factorization.

2560724730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28452510 (or 28452507 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 2560724730 is about 50603.6039230409. The cubic root of 2560724730 is about 1368.1098358769.

The spelling of 2560724730 in words is "two billion, five hundred sixty million, seven hundred twenty-four thousand, seven hundred thirty".