25726016 has 56 divisors (see below), whose sum is σ = 53766720. Its totient is φ = 12196352.

The previous prime is 25726007. The next prime is 25726031. The reversal of 25726016 is 61062752.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 25726016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153965 + ... + 154131.

It is an arithmetic number, because the mean of its divisors is an integer number (960120).

Almost surely, 2^25726016 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 25726016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26883360).

25726016 is an abundant number, since it is smaller than the sum of its proper divisors (28040704).

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

25726016 is a wasteful number, since it uses less digits than its factorization.

25726016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25726016 is about 5072.0820182643. The cubic root of 25726016 is about 295.2053190974.

Adding to 25726016 its reverse (61062752), we get a palindrome (86788768).

The spelling of 25726016 in words is "twenty-five million, seven hundred twenty-six thousand, sixteen".