25400041255 has 4 divisors (see below), whose sum is σ = 30480049512. Its totient is φ = 20320033000.

The previous prime is 25400041201. The next prime is 25400041267. The reversal of 25400041255 is 55214000452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25400041255 - 2²⁵ = 25366486823 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2540004121 + ... + 2540004130.

It is an arithmetic number, because the mean of its divisors is an integer number (7620012378).

Almost surely, 2^25400041255 is an apocalyptic number.

25400041255 is a deficient number, since it is larger than the sum of its proper divisors (5080008257).

25400041255 is an equidigital number, since it uses as much as digits as its factorization.

25400041255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080008256.

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 25400041255 in words is "twenty-five billion, four hundred million, forty-one thousand, two hundred fifty-five".