25734043752 has 64 divisors (see below), whose sum is σ = 66114947520. Its totient is φ = 8340991488.

The previous prime is 25734043739. The next prime is 25734043771.

25734043752 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578748 + ... + 1594964.

It is an arithmetic number, because the mean of its divisors is an integer number (1033046055).

Almost surely, 2^25734043752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25734043752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33057473760).

25734043752 is an abundant number, since it is smaller than the sum of its proper divisors (40380903768).

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

25734043752 is a wasteful number, since it uses less digits than its factorization.

25734043752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18050 (or 18046 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 42.

The spelling of 25734043752 in words is "twenty-five billion, seven hundred thirty-four million, forty-three thousand, seven hundred fifty-two".