25742905264 has 20 divisors (see below), whose sum is σ = 49944031056. Its totient is φ = 12854123072.

The previous prime is 25742905261. The next prime is 25742905271. The reversal of 25742905264 is 46250924752.

It is not an unprimeable number, because it can be changed into a prime (25742905261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070839 + ... + 1094614.

Almost surely, 2^25742905264 is an apocalyptic number.

It is an amenable number.

25742905264 is a deficient number, since it is larger than the sum of its proper divisors (24201125792).

25742905264 is a wasteful number, since it uses less digits than its factorization.

25742905264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166204 (or 2166198 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 25742905264 in words is "twenty-five billion, seven hundred forty-two million, nine hundred five thousand, two hundred sixty-four".