14144440 has 16 divisors (see below), whose sum is σ = 31825080. Its totient is φ = 5657760.

The previous prime is 14144423. The next prime is 14144477. The reversal of 14144440 is 4444141.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176766 + ... + 176845.

Almost surely, 2^14144440 is an apocalyptic number.

14144440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14144440 is an abundant number, since it is smaller than the sum of its proper divisors (17680640).

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

14144440 is a wasteful number, since it uses less digits than its factorization.

14144440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353622 (or 353618 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 14144440 is about 3760.9094644780. The cubic root of 14144440 is about 241.8402515588.

Adding to 14144440 its reverse (4444141), we get a palindrome (18588581).

The spelling of 14144440 in words is "fourteen million, one hundred forty-four thousand, four hundred forty".