25235726426664 has 64 divisors (see below), whose sum is σ = 69056149290240. Its totient is φ = 7637546453760.

The previous prime is 25235726426627. The next prime is 25235726426731. The reversal of 25235726426664 is 46662462753252.

It is a junction number, because it is equal to n+sod(n) for n = 25235726426598 and 25235726426607.

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, 662962432 + ... + 663000495.

It is an arithmetic number, because the mean of its divisors is an integer number (1079002332660).

Almost surely, 2^{25235726426664} is an apocalyptic number.

25235726426664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25235726426664 is an abundant number, since it is smaller than the sum of its proper divisors (43820422863576).

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

25235726426664 is a wasteful number, since it uses less digits than its factorization.

25235726426664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325963010 (or 1325963006 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 60.

The spelling of 25235726426664 in words is "twenty-five trillion, two hundred thirty-five billion, seven hundred twenty-six million, four hundred twenty-six thousand, six hundred sixty-four".