14621440 has 36 divisors (see below), whose sum is σ = 35025984. Its totient is φ = 5848064.

The previous prime is 14621437. The next prime is 14621447. The reversal of 14621440 is 4412641.

It is not an unprimeable number, because it can be changed into a prime (14621447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4432 + ... + 6991.

It is an arithmetic number, because the mean of its divisors is an integer number (972944).

Almost surely, 2^14621440 is an apocalyptic number.

14621440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14621440 is an abundant number, since it is smaller than the sum of its proper divisors (20404544).

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

14621440 is an equidigital number, since it uses as much as digits as its factorization.

14621440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444 (or 11430 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 14621440 is about 3823.7991579057. The cubic root of 14621440 is about 244.5288181343.

The spelling of 14621440 in words is "fourteen million, six hundred twenty-one thousand, four hundred forty".