25675251426 has 64 divisors (see below), whose sum is σ = 62301657600. Its totient is φ = 7773051600.

The previous prime is 25675251383. The next prime is 25675251439. The reversal of 25675251426 is 62415257652.

25675251426 is a `hidden beast` number, since 2 + 5 + 67 + 52 + 514 + 26 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628245 + ... + 667863.

It is an arithmetic number, because the mean of its divisors is an integer number (973463400).

Almost surely, 2^25675251426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25675251426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31150828800).

25675251426 is an abundant number, since it is smaller than the sum of its proper divisors (36626406174).

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

25675251426 is a wasteful number, since it uses less digits than its factorization.

25675251426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40732 (or 40726 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 25675251426 in words is "twenty-five billion, six hundred seventy-five million, two hundred fifty-one thousand, four hundred twenty-six".