25480266784 has 24 divisors (see below), whose sum is σ = 57330600768. Its totient is φ = 10920114240.

The previous prime is 25480266737. The next prime is 25480266797. The reversal of 25480266784 is 48766208452.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56875372 + ... + 56875819.

It is an arithmetic number, because the mean of its divisors is an integer number (2388775032).

Almost surely, 2^25480266784 is an apocalyptic number.

It is an amenable number.

25480266784 is an abundant number, since it is smaller than the sum of its proper divisors (31850333984).

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

25480266784 is a wasteful number, since it uses less digits than its factorization.

25480266784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113751208 (or 113751200 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 25480266784 in words is "twenty-five billion, four hundred eighty million, two hundred sixty-six thousand, seven hundred eighty-four".