2505940755 has 16 divisors (see below), whose sum is σ = 4014067200. Its totient is φ = 1334981088.

The previous prime is 2505940729. The next prime is 2505940793. The reversal of 2505940755 is 5570495052.

It is not a de Polignac number, because 2505940755 - 2⁶ = 2505940691 is a prime.

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, 81355 + ... + 107844.

It is an arithmetic number, because the mean of its divisors is an integer number (250879200).

Almost surely, 2^2505940755 is an apocalyptic number.

2505940755 is a deficient number, since it is larger than the sum of its proper divisors (1508126445).

2505940755 is a wasteful number, since it uses less digits than its factorization.

2505940755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190090.

The product of its (nonzero) digits is 315000, while the sum is 42.

The square root of 2505940755 is about 50059.3722993008. The cubic root of 2505940755 is about 1358.2830038771.

The spelling of 2505940755 in words is "two billion, five hundred five million, nine hundred forty thousand, seven hundred fifty-five".