25239848832 has 640 divisors, whose sum is σ = 86729702400. Its totient is φ = 7276262400.

The previous prime is 25239848743. The next prime is 25239848833. The reversal of 25239848832 is 23884893252.

25239848832 is a `hidden beast` number, since 2 + 523 + 9 + 8 + 4 + 88 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25239848833) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 427794019 + ... + 427794077.

It is an arithmetic number, because the mean of its divisors is an integer number (135515160).

Almost surely, 2^25239848832 is an apocalyptic number.

25239848832 is a gapful number since it is divisible by the number (22) 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 25239848832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43364851200).

25239848832 is an abundant number, since it is smaller than the sum of its proper divisors (61489853568).

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

25239848832 is an equidigital number, since it uses as much as digits as its factorization.

25239848832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 106 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 25239848832 in words is "twenty-five billion, two hundred thirty-nine million, eight hundred forty-eight thousand, eight hundred thirty-two".