25468357938918 has 16 divisors (see below), whose sum is σ = 53617595661120. Its totient is φ = 8042639349096.

The previous prime is 25468357938887. The next prime is 25468357938943. The reversal of 25468357938918 is 81983975386452.

It is a super-2 number, since 2×25468357938918² (a number of 28 digits) contains 22 as substring.

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, 111703324180 + ... + 111703324407.

It is an arithmetic number, because the mean of its divisors is an integer number (3351099728820).

Almost surely, 2^{25468357938918} is an apocalyptic number.

25468357938918 is an abundant number, since it is smaller than the sum of its proper divisors (28149237722202).

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

25468357938918 is a wasteful number, since it uses less digits than its factorization.

25468357938918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223406648611.

The product of its digits is 3135283200, while the sum is 78.

The spelling of 25468357938918 in words is "twenty-five trillion, four hundred sixty-eight billion, three hundred fifty-seven million, nine hundred thirty-eight thousand, nine hundred eighteen".