18425268 has 36 divisors (see below), whose sum is σ = 47276320. Its totient is φ = 6049296.

The previous prime is 18425261. The next prime is 18425311. The reversal of 18425268 is 86252481.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18425261) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1408 + ... + 6231.

Almost surely, 2^18425268 is an apocalyptic number.

18425268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18425268 is an abundant number, since it is smaller than the sum of its proper divisors (28851052).

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

18425268 is a wasteful number, since it uses less digits than its factorization.

18425268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716 (or 7711 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 18425268 is about 4292.4664238640. The cubic root of 18425268 is about 264.1220165999.

It can be divided in two parts, 184 and 25268, that added together give a palindrome (25452).

The spelling of 18425268 in words is "eighteen million, four hundred twenty-five thousand, two hundred sixty-eight".