14645875440 has 80 divisors (see below), whose sum is σ = 51888250368. Its totient is φ = 3347628288.

The previous prime is 14645875429. The next prime is 14645875441. The reversal of 14645875440 is 4457854641.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 14645875440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14645875441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4357212 + ... + 4360571.

Almost surely, 2^14645875440 is an apocalyptic number.

14645875440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14645875440 is an abundant number, since it is smaller than the sum of its proper divisors (37242374928).

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

14645875440 is a wasteful number, since it uses less digits than its factorization.

14645875440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717806 (or 8717800 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 14645875440 in words is "fourteen billion, six hundred forty-five million, eight hundred seventy-five thousand, four hundred forty".