2505791626 has 64 divisors (see below), whose sum is σ = 4381977600. Its totient is φ = 1065436416.

The previous prime is 2505791567. The next prime is 2505791627. The reversal of 2505791626 is 6261975052.

It is not an unprimeable number, because it can be changed into a prime (2505791627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2411215 + ... + 2412253.

It is an arithmetic number, because the mean of its divisors is an integer number (68468400).

Almost surely, 2^2505791626 is an apocalyptic number.

2505791626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2505791626 is a deficient number, since it is larger than the sum of its proper divisors (1876185974).

2505791626 is a wasteful number, since it uses less digits than its factorization.

2505791626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 2505791626 is about 50057.8827558657. The cubic root of 2505791626 is about 1358.2560594512.

The spelling of 2505791626 in words is "two billion, five hundred five million, seven hundred ninety-one thousand, six hundred twenty-six".