25524424352 has 72 divisors (see below), whose sum is σ = 58797549216. Its totient is φ = 10684469376.

The previous prime is 25524424333. The next prime is 25524424357. The reversal of 25524424352 is 25342442552.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25524424357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383363 + ... + 444989.

It is an arithmetic number, because the mean of its divisors is an integer number (816632628).

Almost surely, 2^25524424352 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 25524424352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29398774608).

25524424352 is an abundant number, since it is smaller than the sum of its proper divisors (33273124864).

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

25524424352 is an equidigital number, since it uses as much as digits as its factorization.

25524424352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61730 (or 61679 counting only the distinct ones).

The product of its digits is 384000, while the sum is 38.

The spelling of 25524424352 in words is "twenty-five billion, five hundred twenty-four million, four hundred twenty-four thousand, three hundred fifty-two".