25447474452 has 24 divisors (see below), whose sum is σ = 59380153056. Its totient is φ = 8482103968.

The previous prime is 25447474411. The next prime is 25447474453.

It is a happy number.

25447474452 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25447474453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369223 + ... + 432689.

It is an arithmetic number, because the mean of its divisors is an integer number (2474173044).

Almost surely, 2^25447474452 is an apocalyptic number.

It is an amenable number.

25447474452 is an abundant number, since it is smaller than the sum of its proper divisors (33932678604).

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

25447474452 is a wasteful number, since it uses less digits than its factorization.

25447474452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96887 (or 96885 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 48.

The spelling of 25447474452 in words is "twenty-five billion, four hundred forty-seven million, four hundred seventy-four thousand, four hundred fifty-two".