25108823040 has 528 divisors, whose sum is σ = 94907632032. Its totient is φ = 5648154624.

The previous prime is 25108823039. The next prime is 25108823041. The reversal of 25108823040 is 4032880152.

It is an interprime number because it is at equal distance from previous prime (25108823039) and next prime (25108823041).

It is a junction number, because it is equal to n+sod(n) for n = 25108822992 and 25108823010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25108823041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54942492 + ... + 54942948.

Almost surely, 2^25108823040 is an apocalyptic number.

25108823040 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 25108823040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47453816016).

25108823040 is an abundant number, since it is smaller than the sum of its proper divisors (69798808992).

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

25108823040 is a wasteful number, since it uses less digits than its factorization.

25108823040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 25108823040 in words is "twenty-five billion, one hundred eight million, eight hundred twenty-three thousand, forty".