14442440 has 32 divisors (see below), whose sum is σ = 32762880. Its totient is φ = 5729472.

The previous prime is 14442431. The next prime is 14442443. The reversal of 14442440 is 4424441.

It is not an unprimeable number, because it can be changed into a prime (14442443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (1023840).

Almost surely, 2^14442440 is an apocalyptic number.

14442440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14442440 is an abundant number, since it is smaller than the sum of its proper divisors (18320440).

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

14442440 is a wasteful number, since it uses less digits than its factorization.

14442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 14442440 is about 3800.3210390703. The cubic root of 14442440 is about 243.5268534151.

Adding to 14442440 its reverse (4424441), we get a palindrome (18866881).

The spelling of 14442440 in words is "fourteen million, four hundred forty-two thousand, four hundred forty".