2575505868 has 48 divisors (see below), whose sum is σ = 6753175296. Its totient is φ = 758007360.

The previous prime is 2575505851. The next prime is 2575505873. The reversal of 2575505868 is 8685055752.

It is a super-2 number, since 2×2575505868² = 13266460952204866848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2575505868.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355318 + ... + 362493.

It is an arithmetic number, because the mean of its divisors is an integer number (140691152).

Almost surely, 2^2575505868 is an apocalyptic number.

It is an amenable number.

2575505868 is an abundant number, since it is smaller than the sum of its proper divisors (4177669428).

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

2575505868 is a wasteful number, since it uses less digits than its factorization.

2575505868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717854 (or 717852 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 51.

The square root of 2575505868 is about 50749.4420461940. The cubic root of 2575505868 is about 1370.7371435710.

The spelling of 2575505868 in words is "two billion, five hundred seventy-five million, five hundred five thousand, eight hundred sixty-eight".