25265032704 has 240 divisors, whose sum is σ = 76879923120. Its totient is φ = 8281128960.

The previous prime is 25265032703. The next prime is 25265032711. The reversal of 25265032704 is 40723056252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25265032703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7587712 + ... + 7591040.

It is an arithmetic number, because the mean of its divisors is an integer number (320333013).

Almost surely, 2^25265032704 is an apocalyptic number.

25265032704 is a gapful number since it is divisible by the number (24) 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 25265032704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38439961560).

25265032704 is an abundant number, since it is smaller than the sum of its proper divisors (51614890416).

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

25265032704 is an frugal number, since it uses more digits than its factorization.

25265032704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423 (or 3395 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 25265032704 its reverse (40723056252), we get a palindrome (65988088956).

The spelling of 25265032704 in words is "twenty-five billion, two hundred sixty-five million, thirty-two thousand, seven hundred four".