14424840 has 96 divisors (see below), whose sum is σ = 49659480. Its totient is φ = 3618816.

The previous prime is 14424833. The next prime is 14424869. The reversal of 14424840 is 4842441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11249316 + 3175524 = 3354^2 + 1782^2 .

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, 4942 + ... + 7298.

Almost surely, 2^14424840 is an apocalyptic number.

14424840 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 14424840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24829740).

14424840 is an abundant number, since it is smaller than the sum of its proper divisors (35234640).

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

14424840 is a wasteful number, since it uses less digits than its factorization.

14424840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 14424840 is about 3798.0047393335. The cubic root of 14424840 is about 243.4278901087.

The spelling of 14424840 in words is "fourteen million, four hundred twenty-four thousand, eight hundred forty".