14442090 has 64 divisors (see below), whose sum is σ = 39312000. Its totient is φ = 3366144.

The previous prime is 14442089. The next prime is 14442107. The reversal of 14442090 is 9024441.

14442090 = 1048² + 1049² + ... + 1060².

It is a self number, because there is not a number n which added to its sum of digits gives 14442090.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6436 + ... + 8384.

It is an arithmetic number, because the mean of its divisors is an integer number (614250).

Almost surely, 2^14442090 is an apocalyptic number.

14442090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14442090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19656000).

14442090 is an abundant number, since it is smaller than the sum of its proper divisors (24869910).

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

14442090 is a wasteful number, since it uses less digits than its factorization.

14442090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 14442090 is about 3800.2749900501. The cubic root of 14442090 is about 243.5248861786.

The spelling of 14442090 in words is "fourteen million, four hundred forty-two thousand, ninety".