25224041040 has 320 divisors, whose sum is σ = 90691695360. Its totient is φ = 5731614720.

The previous prime is 25224041039. The next prime is 25224041041. The reversal of 25224041040 is 4014042252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25224041039) and next prime (25224041041).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 25224041040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25224041041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12430746 + ... + 12432774.

It is an arithmetic number, because the mean of its divisors is an integer number (283411548).

Almost surely, 2^25224041040 is an apocalyptic number.

25224041040 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 25224041040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45345847680).

25224041040 is an abundant number, since it is smaller than the sum of its proper divisors (65467654320).

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

25224041040 is a wasteful number, since it uses less digits than its factorization.

25224041040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 25224041040 its reverse (4014042252), we get a palindrome (29238083292).

The spelling of 25224041040 in words is "twenty-five billion, two hundred twenty-four million, forty-one thousand, forty".