14663040 has 128 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 3348480.

The previous prime is 14663021. The next prime is 14663057. The reversal of 14663040 is 4036641.

It is a tau number, because it is divible by the number of its divisors (128).

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 14663040.

It is a congruent number.

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, 12895 + ... + 13985.

It is an arithmetic number, because the mean of its divisors is an integer number (417690).

Almost surely, 2^14663040 is an apocalyptic number.

14663040 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 14663040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26732160).

14663040 is an abundant number, since it is smaller than the sum of its proper divisors (38801280).

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

14663040 is a wasteful number, since it uses less digits than its factorization.

14663040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 14663040 is about 3829.2349105272. The cubic root of 14663040 is about 244.7605045428.

Adding to 14663040 its reverse (4036641), we get a palindrome (18699681).

The spelling of 14663040 in words is "fourteen million, six hundred sixty-three thousand, forty".