25270478814 has 32 divisors (see below), whose sum is σ = 58990058496. Its totient is φ = 7066516320.

The previous prime is 25270478797. The next prime is 25270478851. The reversal of 25270478814 is 41887407252.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 6398857 + ... + 6402804.

It is an arithmetic number, because the mean of its divisors is an integer number (1843439328).

Almost surely, 2^25270478814 is an apocalyptic number.

25270478814 is an abundant number, since it is smaller than the sum of its proper divisors (33719579682).

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

25270478814 is a wasteful number, since it uses less digits than its factorization.

25270478814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12801720.

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 25270478814 in words is "twenty-five billion, two hundred seventy million, four hundred seventy-eight thousand, eight hundred fourteen".