25490766704 has 40 divisors (see below), whose sum is σ = 54424402032. Its totient is φ = 11491361280.

The previous prime is 25490766667. The next prime is 25490766713. The reversal of 25490766704 is 40766709452.

It is a congruent number.

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, 1416077 + ... + 1433964.

Almost surely, 2^25490766704 is an apocalyptic number.

It is an amenable number.

25490766704 is an abundant number, since it is smaller than the sum of its proper divisors (28933635328).

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

25490766704 is a wasteful number, since it uses less digits than its factorization.

25490766704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850105 (or 2850099 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 25490766704 in words is "twenty-five billion, four hundred ninety million, seven hundred sixty-six thousand, seven hundred four".