25457788014 has 16 divisors (see below), whose sum is σ = 53910610128. Its totient is φ = 7986756992.

The previous prime is 25457787991. The next prime is 25457788021. The reversal of 25457788014 is 41088775452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124792977 + ... + 124793180.

It is an arithmetic number, because the mean of its divisors is an integer number (3369413133).

Almost surely, 2^25457788014 is an apocalyptic number.

25457788014 is an abundant number, since it is smaller than the sum of its proper divisors (28452822114).

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

25457788014 is a wasteful number, since it uses less digits than its factorization.

25457788014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249586179.

The product of its (nonzero) digits is 2508800, while the sum is 51.

The spelling of 25457788014 in words is "twenty-five billion, four hundred fifty-seven million, seven hundred eighty-eight thousand, fourteen".