25690838244 has 48 divisors (see below), whose sum is σ = 60844089600. Its totient is φ = 8436109216.

The previous prime is 25690838203. The next prime is 25690838269. The reversal of 25690838244 is 44283809652.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173947 + ... + 285725.

It is an arithmetic number, because the mean of its divisors is an integer number (1267585200).

Almost surely, 2^25690838244 is an apocalyptic number.

It is an amenable number.

25690838244 is an abundant number, since it is smaller than the sum of its proper divisors (35153251356).

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

25690838244 is a wasteful number, since it uses less digits than its factorization.

25690838244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112072 (or 112070 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 25690838244 in words is "twenty-five billion, six hundred ninety million, eight hundred thirty-eight thousand, two hundred forty-four".