14490840 has 128 divisors (see below), whose sum is σ = 53544960. Its totient is φ = 3055104.

The previous prime is 14490823. The next prime is 14490869. The reversal of 14490840 is 4809441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14490798 and 14490807.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 10257 + ... + 11583.

It is an arithmetic number, because the mean of its divisors is an integer number (418320).

Almost surely, 2^14490840 is an apocalyptic number.

14490840 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 14490840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26772480).

14490840 is an abundant number, since it is smaller than the sum of its proper divisors (39054120).

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

14490840 is a wasteful number, since it uses less digits than its factorization.

14490840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 14490840 is about 3806.6835959927. The cubic root of 14490840 is about 243.7985886044.

The spelling of 14490840 in words is "fourteen million, four hundred ninety thousand, eight hundred forty".