25444074241 has 8 divisors (see below), whose sum is σ = 25695558720. Its totient is φ = 25192675632.

The previous prime is 25444074239. The next prime is 25444074263. The reversal of 25444074241 is 14247044452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25444074241 - 2¹ = 25444074239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25444074241.

It is not an unprimeable number, because it can be changed into a prime (25444074211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689526 + ... + 725488.

It is an arithmetic number, because the mean of its divisors is an integer number (3211944840).

Almost surely, 2^25444074241 is an apocalyptic number.

It is an amenable number.

25444074241 is a deficient number, since it is larger than the sum of its proper divisors (251484479).

25444074241 is a wasteful number, since it uses less digits than its factorization.

25444074241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42935.

The product of its (nonzero) digits is 143360, while the sum is 37.

The spelling of 25444074241 in words is "twenty-five billion, four hundred forty-four million, seventy-four thousand, two hundred forty-one".