25834652032 has 128 divisors (see below), whose sum is σ = 63914342400. Its totient is φ = 10150686720.

The previous prime is 25834652003. The next prime is 25834652083. The reversal of 25834652032 is 23025643852.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×25834652032² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503268 + ... + 552220.

It is an arithmetic number, because the mean of its divisors is an integer number (499330800).

Almost surely, 2^25834652032 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 25834652032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31957171200).

25834652032 is an abundant number, since it is smaller than the sum of its proper divisors (38079690368).

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

25834652032 is a wasteful number, since it uses less digits than its factorization.

25834652032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49024 (or 49012 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 25834652032 in words is "twenty-five billion, eight hundred thirty-four million, six hundred fifty-two thousand, thirty-two".