25342451724688 has 80 divisors (see below), whose sum is σ = 56754850314240. Its totient is φ = 10737330075648.

The previous prime is 25342451724683. The next prime is 25342451724739. The reversal of 25342451724688 is 88642715424352.

It is not an unprimeable number, because it can be changed into a prime (25342451724683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64326481 + ... + 64719247.

It is an arithmetic number, because the mean of its divisors is an integer number (709435628928).

Almost surely, 2^{25342451724688} is an apocalyptic number.

25342451724688 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 25342451724688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28377425157120).

25342451724688 is an abundant number, since it is smaller than the sum of its proper divisors (31412398589552).

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

25342451724688 is a wasteful number, since it uses less digits than its factorization.

25342451724688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399344 (or 399338 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 61.

The spelling of 25342451724688 in words is "twenty-five trillion, three hundred forty-two billion, four hundred fifty-one million, seven hundred twenty-four thousand, six hundred eighty-eight".