25726043872 has 12 divisors (see below), whose sum is σ = 50648148936. Its totient is φ = 12863021920.

The previous prime is 25726043867. The next prime is 25726043899. The reversal of 25726043872 is 27834062752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401969404 + ... + 401969467.

It is an arithmetic number, because the mean of its divisors is an integer number (4220679078).

Almost surely, 2^25726043872 is an apocalyptic number.

It is an amenable number.

25726043872 is a deficient number, since it is larger than the sum of its proper divisors (24922105064).

25726043872 is an equidigital number, since it uses as much as digits as its factorization.

25726043872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803938881 (or 803938873 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 25726043872 in words is "twenty-five billion, seven hundred twenty-six million, forty-three thousand, eight hundred seventy-two".