14434440 has 64 divisors (see below), whose sum is σ = 44487360. Its totient is φ = 3744000.

The previous prime is 14434429. The next prime is 14434463. The reversal of 14434440 is 4443441.

It is a super-2 number, since 2×14434440² = 416706116227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 14434440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2815 + ... + 6065.

It is an arithmetic number, because the mean of its divisors is an integer number (695115).

Almost surely, 2^14434440 is an apocalyptic number.

14434440 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 14434440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22243680).

14434440 is an abundant number, since it is smaller than the sum of its proper divisors (30052920).

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

14434440 is a wasteful number, since it uses less digits than its factorization.

14434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302 (or 3298 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 14434440 is about 3799.2683506170. The cubic root of 14434440 is about 243.4818800667.

Adding to 14434440 its reverse (4443441), we get a palindrome (18877881).

Subtracting from 14434440 its reverse (4443441), we obtain a palindrome (9990999).

The spelling of 14434440 in words is "fourteen million, four hundred thirty-four thousand, four hundred forty".