25726047208 has 16 divisors (see below), whose sum is σ = 48817500480. Its totient is φ = 12708047088.

The previous prime is 25726047197. The next prime is 25726047223. The reversal of 25726047208 is 80274062752.

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, 19371360 + ... + 19372687.

It is an arithmetic number, because the mean of its divisors is an integer number (3051093780).

Almost surely, 2^25726047208 is an apocalyptic number.

It is an amenable number.

25726047208 is a deficient number, since it is larger than the sum of its proper divisors (23091453272).

25726047208 is a wasteful number, since it uses less digits than its factorization.

25726047208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38744136 (or 38744132 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 25726047208 in words is "twenty-five billion, seven hundred twenty-six million, forty-seven thousand, two hundred eight".