25885480 has 32 divisors (see below), whose sum is σ = 58537440. Its totient is φ = 10301760.

The previous prime is 25885427. The next prime is 25885493. The reversal of 25885480 is 8458852.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6907 + ... + 9973.

It is an arithmetic number, because the mean of its divisors is an integer number (1829295).

Almost surely, 2^25885480 is an apocalyptic number.

25885480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25885480 is an abundant number, since it is smaller than the sum of its proper divisors (32651960).

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

25885480 is a wasteful number, since it uses less digits than its factorization.

25885480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289 (or 3285 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 40.

The square root of 25885480 is about 5087.7775108587. Note that the first 3 decimals coincide. The cubic root of 25885480 is about 295.8140114780.

The spelling of 25885480 in words is "twenty-five million, eight hundred eighty-five thousand, four hundred eighty".