14555240 has 64 divisors (see below), whose sum is σ = 37756800. Its totient is φ = 4946688.

The previous prime is 14555237. The next prime is 14555263. The reversal of 14555240 is 4255541.

It is a super-2 number, since 2×14555240² = 423710022915200, which contains 22 as substring.

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, 63446 + ... + 63674.

It is an arithmetic number, because the mean of its divisors is an integer number (589950).

Almost surely, 2^14555240 is an apocalyptic number.

14555240 is a gapful number since it is divisible by the number (10) 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 14555240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18878400).

14555240 is an abundant number, since it is smaller than the sum of its proper divisors (23201560).

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

14555240 is a wasteful number, since it uses less digits than its factorization.

14555240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 14555240 is about 3815.1330252037. The cubic root of 14555240 is about 244.1592170547.

The spelling of 14555240 in words is "fourteen million, five hundred fifty-five thousand, two hundred forty".