25926480 has 100 divisors (see below), whose sum is σ = 90069012. Its totient is φ = 6912000.

The previous prime is 25926449. The next prime is 25926491. The reversal of 25926480 is 8462952.

It is a happy number.

25926480 is a `hidden beast` number, since 2 + 5 + 9 + 2 + 648 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 21566736 = 2088^2 + 4644^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4480 + ... + 8480.

Almost surely, 2^25926480 is an apocalyptic number.

25926480 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 25926480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45034506).

25926480 is an abundant number, since it is smaller than the sum of its proper divisors (64142532).

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

25926480 is a wasteful number, since it uses less digits than its factorization.

25926480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026 (or 4011 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 25926480 is about 5091.8051808764. The cubic root of 25926480 is about 295.9701089855.

The spelling of 25926480 in words is "twenty-five million, nine hundred twenty-six thousand, four hundred eighty".