25472074544 has 200 divisors, whose sum is σ = 60451047552. Its totient is φ = 10384174080.

The previous prime is 25472074531. The next prime is 25472074547. The reversal of 25472074544 is 44547027452.

It is a junction number, because it is equal to n+sod(n) for n = 25472074495 and 25472074504.

It is not an unprimeable number, because it can be changed into a prime (25472074547) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 86935262 + ... + 86935554.

Almost surely, 2^25472074544 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 25472074544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30225523776).

25472074544 is an abundant number, since it is smaller than the sum of its proper divisors (34978973008).

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

25472074544 is an equidigital number, since it uses as much as digits as its factorization.

25472074544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 44.

The spelling of 25472074544 in words is "twenty-five billion, four hundred seventy-two million, seventy-four thousand, five hundred forty-four".