14664140 has 48 divisors (see below), whose sum is σ = 32266080. Its totient is φ = 5591040.

The previous prime is 14664137. The next prime is 14664187. The reversal of 14664140 is 4146641.

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, 75884 + ... + 76076.

It is an arithmetic number, because the mean of its divisors is an integer number (672210).

Almost surely, 2^14664140 is an apocalyptic number.

14664140 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 14664140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16133040).

14664140 is an abundant number, since it is smaller than the sum of its proper divisors (17601940).

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

14664140 is a wasteful number, since it uses less digits than its factorization.

14664140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 14664140 is about 3829.3785396589. The cubic root of 14664140 is about 244.7666249159.

The spelling of 14664140 in words is "fourteen million, six hundred sixty-four thousand, one hundred forty".