14969237640 has 128 divisors (see below), whose sum is σ = 51372576000. Its totient is φ = 3418242048.

The previous prime is 14969237629. The next prime is 14969237641. The reversal of 14969237640 is 4673296941.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14969237641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 923526 + ... + 939594.

It is an arithmetic number, because the mean of its divisors is an integer number (401348250).

Almost surely, 2^14969237640 is an apocalyptic number.

14969237640 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 14969237640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25686288000).

14969237640 is an abundant number, since it is smaller than the sum of its proper divisors (36403338360).

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

14969237640 is a wasteful number, since it uses less digits than its factorization.

14969237640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17199 (or 17195 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 14969237640 in words is "fourteen billion, nine hundred sixty-nine million, two hundred thirty-seven thousand, six hundred forty".