25575337452 has 96 divisors (see below), whose sum is σ = 72054097920. Its totient is φ = 6905122560.

The previous prime is 25575337451. The next prime is 25575337477. The reversal of 25575337452 is 25473357552.

It is not an unprimeable number, because it can be changed into a prime (25575337451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2802 + ... + 226182.

It is an arithmetic number, because the mean of its divisors is an integer number (750563520).

Almost surely, 2^25575337452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25575337452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36027048960).

25575337452 is an abundant number, since it is smaller than the sum of its proper divisors (46478760468).

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

25575337452 is a wasteful number, since it uses less digits than its factorization.

25575337452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223471 (or 223469 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 48.

The spelling of 25575337452 in words is "twenty-five billion, five hundred seventy-five million, three hundred thirty-seven thousand, four hundred fifty-two".