14400442 has 32 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 5706288.

The previous prime is 14400431. The next prime is 14400457. The reversal of 14400442 is 24400441.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10809 + ... + 12067.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^14400442 is an apocalyptic number.

14400442 is a deficient number, since it is larger than the sum of its proper divisors (12210758).

14400442 is a wasteful number, since it uses less digits than its factorization.

14400442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 14400442 is about 3794.7914303687. The cubic root of 14400442 is about 243.2905689950.

Adding to 14400442 its reverse (24400441), we get a palindrome (38800883).

Subtracting 14400442 from its reverse (24400441), we obtain a palindrome (9999999).

The spelling of 14400442 in words is "fourteen million, four hundred thousand, four hundred forty-two".