25906080 has 96 divisors (see below), whose sum is σ = 84284928. Its totient is φ = 6681600.

The previous prime is 25906061. The next prime is 25906093. The reversal of 25906080 is 8060952.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×25906080² = 1342249961932800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 14010 + ... + 15750.

It is an arithmetic number, because the mean of its divisors is an integer number (877968).

Almost surely, 2^25906080 is an apocalyptic number.

25906080 is a gapful number since it is divisible by the number (20) 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 25906080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42142464).

25906080 is an abundant number, since it is smaller than the sum of its proper divisors (58378848).

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

25906080 is a wasteful number, since it uses less digits than its factorization.

25906080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 25906080 is about 5089.8015678413. The cubic root of 25906080 is about 295.8924615441.

The spelling of 25906080 in words is "twenty-five million, nine hundred six thousand, eighty".