25224430000 has 800 divisors, whose sum is σ = 84342601728. Its totient is φ = 7065600000.

The previous prime is 25224429911. The next prime is 25224430013. The reversal of 25224430000 is 3442252.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 536689977 + ... + 536690023.

Almost surely, 2^25224430000 is an apocalyptic number.

25224430000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25224430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42171300864).

25224430000 is an abundant number, since it is smaller than the sum of its proper divisors (59118171728).

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

25224430000 is a wasteful number, since it uses less digits than its factorization.

25224430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 25224430000 its reverse (3442252), we get a palindrome (25227872252).

The spelling of 25224430000 in words is "twenty-five billion, two hundred twenty-four million, four hundred thirty thousand".