25045240524 has 24 divisors (see below), whose sum is σ = 59541516720. Its totient is φ = 8190896064.

The previous prime is 25045240513. The next prime is 25045240529. The reversal of 25045240524 is 42504254052.

It is not an unprimeable number, because it can be changed into a prime (25045240529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19689019 + ... + 19690290.

It is an arithmetic number, because the mean of its divisors is an integer number (2480896530).

Almost surely, 2^25045240524 is an apocalyptic number.

It is an amenable number.

25045240524 is an abundant number, since it is smaller than the sum of its proper divisors (34496276196).

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

25045240524 is a wasteful number, since it uses less digits than its factorization.

25045240524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39379369 (or 39379367 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

Adding to 25045240524 its reverse (42504254052), we get a palindrome (67549494576).

The spelling of 25045240524 in words is "twenty-five billion, forty-five million, two hundred forty thousand, five hundred twenty-four".