25849938016 has 96 divisors (see below), whose sum is σ = 59087508480. Its totient is φ = 10903666176.

The previous prime is 25849937983. The next prime is 25849938053. The reversal of 25849938016 is 61083994852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3849670 + ... + 3856378.

It is an arithmetic number, because the mean of its divisors is an integer number (615494880).

Almost surely, 2^25849938016 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 25849938016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29543754240).

25849938016 is an abundant number, since it is smaller than the sum of its proper divisors (33237570464).

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

25849938016 is a wasteful number, since it uses less digits than its factorization.

25849938016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 25849938016 in words is "twenty-five billion, eight hundred forty-nine million, nine hundred thirty-eight thousand, sixteen".