25983480 has 128 divisors (see below), whose sum is σ = 84602880. Its totient is φ = 6359040.

The previous prime is 25983467. The next prime is 25983511. The reversal of 25983480 is 8438952.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95745 + ... + 96015.

It is an arithmetic number, because the mean of its divisors is an integer number (660960).

Almost surely, 2^25983480 is an apocalyptic number.

25983480 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 25983480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42301440).

25983480 is an abundant number, since it is smaller than the sum of its proper divisors (58619400).

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

25983480 is a wasteful number, since it uses less digits than its factorization.

25983480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 25983480 is about 5097.3993369168. The cubic root of 25983480 is about 296.1868493997.

The spelling of 25983480 in words is "twenty-five million, nine hundred eighty-three thousand, four hundred eighty".