14240520 has 96 divisors (see below), whose sum is σ = 52902720. Its totient is φ = 3254400.

The previous prime is 14240503. The next prime is 14240573. The reversal of 14240520 is 2504241.

14240520 is a `hidden beast` number, since 142 + 4 + 0 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14240493 and 14240502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (551070).

Almost surely, 2^14240520 is an apocalyptic number.

14240520 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 14240520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26451360).

14240520 is an abundant number, since it is smaller than the sum of its proper divisors (38662200).

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

14240520 is a wasteful number, since it uses less digits than its factorization.

14240520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675 (or 5668 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 14240520 is about 3773.6613520559. The cubic root of 14240520 is about 242.3866051481.

Adding to 14240520 its reverse (2504241), we get a palindrome (16744761).

The spelling of 14240520 in words is "fourteen million, two hundred forty thousand, five hundred twenty".