2505540772 has 24 divisors (see below), whose sum is σ = 5018189120. Its totient is φ = 1072280160.

The previous prime is 2505540761. The next prime is 2505540799. The reversal of 2505540772 is 2770455052.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43254 + ... + 82957.

Almost surely, 2^2505540772 is an apocalyptic number.

It is an amenable number.

2505540772 is an abundant number, since it is smaller than the sum of its proper divisors (2512648348).

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

2505540772 is a wasteful number, since it uses less digits than its factorization.

2505540772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126931 (or 126929 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 37.

The square root of 2505540772 is about 50055.3770538191. The cubic root of 2505540772 is about 1358.2107330785.

The spelling of 2505540772 in words is "two billion, five hundred five million, five hundred forty thousand, seven hundred seventy-two".