2575557904 has 30 divisors (see below), whose sum is σ = 5008088750. Its totient is φ = 1283163648.

The previous prime is 2575557869. The next prime is 2575557961. The reversal of 2575557904 is 4097555752.

It can be written as a sum of positive squares in only one way, i.e., 2111586304 + 463971600 = 45952^2 + 21540^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2061472 + ... + 2062720.

Almost surely, 2^2575557904 is an apocalyptic number.

It is an amenable number.

2575557904 is a deficient number, since it is larger than the sum of its proper divisors (2432530846).

2575557904 is an equidigital number, since it uses as much as digits as its factorization.

2575557904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 49.

The square root of 2575557904 is about 50749.9547191916. The cubic root of 2575557904 is about 1370.7463750516.

The spelling of 2575557904 in words is "two billion, five hundred seventy-five million, five hundred fifty-seven thousand, nine hundred four".