25771826456 has 16 divisors (see below), whose sum is σ = 48328660800. Its totient is φ = 12884183584.

The previous prime is 25771826449. The next prime is 25771826467. The reversal of 25771826456 is 65462817752.

It is a junction number, because it is equal to n+sod(n) for n = 25771826398 and 25771826407.

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, 151751 + ... + 273078.

It is an arithmetic number, because the mean of its divisors is an integer number (3020541300).

Almost surely, 2^25771826456 is an apocalyptic number.

It is an amenable number.

25771826456 is a deficient number, since it is larger than the sum of its proper divisors (22556834344).

25771826456 is a wasteful number, since it uses less digits than its factorization.

25771826456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432418 (or 432414 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 53.

The spelling of 25771826456 in words is "twenty-five billion, seven hundred seventy-one million, eight hundred twenty-six thousand, four hundred fifty-six".