25447674452 has 12 divisors (see below), whose sum is σ = 44534656320. Its totient is φ = 12723486936.

The previous prime is 25447674437. The next prime is 25447674457.

25447674452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25447674452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25447674457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143813 + ... + 267539.

It is an arithmetic number, because the mean of its divisors is an integer number (3711221360).

Almost surely, 2^25447674452 is an apocalyptic number.

It is an amenable number.

25447674452 is a deficient number, since it is larger than the sum of its proper divisors (19086981868).

25447674452 is a wasteful number, since it uses less digits than its factorization.

25447674452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175150 (or 175148 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 50.

The spelling of 25447674452 in words is "twenty-five billion, four hundred forty-seven million, six hundred seventy-four thousand, four hundred fifty-two".