25492624248 has 256 divisors, whose sum is σ = 79503621120. Its totient is φ = 6632865792.

The previous prime is 25492624247. The next prime is 25492624249. The reversal of 25492624248 is 84242629452.

It is an interprime number because it is at equal distance from previous prime (25492624247) and next prime (25492624249).

It is a junction number, because it is equal to n+sod(n) for n = 25492624197 and 25492624206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25492624247) 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, 83037711 + ... + 83038017.

It is an arithmetic number, because the mean of its divisors is an integer number (310561020).

Almost surely, 2^25492624248 is an apocalyptic number.

25492624248 is a gapful number since it is divisible by the number (28) 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 25492624248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39751810560).

25492624248 is an abundant number, since it is smaller than the sum of its proper divisors (54010996872).

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

25492624248 is a wasteful number, since it uses less digits than its factorization.

25492624248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 722 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 48.

The spelling of 25492624248 in words is "twenty-five billion, four hundred ninety-two million, six hundred twenty-four thousand, two hundred forty-eight".