2605580928 has 48 divisors (see below), whose sum is σ = 7497833850. Its totient is φ = 868526592.

The previous prime is 2605580891. The next prime is 2605580947. The reversal of 2605580928 is 8290855062.

2605580928 is a `hidden beast` number, since 2 + 6 + 0 + 558 + 0 + 92 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1729894464 + 875686464 = 41592^2 + 29592^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129743 + ... + 1132046.

Almost surely, 2^2605580928 is an apocalyptic number.

It is an amenable number.

2605580928 is an abundant number, since it is smaller than the sum of its proper divisors (4892252922).

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

2605580928 is a wasteful number, since it uses less digits than its factorization.

2605580928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261809 (or 2261794 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 2605580928 is about 51044.8913016768. The cubic root of 2605580928 is about 1376.0520306628.

The spelling of 2605580928 in words is "two billion, six hundred five million, five hundred eighty thousand, nine hundred twenty-eight".