14140617918 has 64 divisors (see below), whose sum is σ = 34561686528. Its totient is φ = 3764851200.

The previous prime is 14140617913. The next prime is 14140617929. The reversal of 14140617918 is 81971604141.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 14140617918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14140617913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25930 + ... + 170157.

It is an arithmetic number, because the mean of its divisors is an integer number (540026352).

Almost surely, 2^14140617918 is an apocalyptic number.

14140617918 is an abundant number, since it is smaller than the sum of its proper divisors (20421068610).

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

14140617918 is a wasteful number, since it uses less digits than its factorization.

14140617918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196217.

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 14140617918 in words is "fourteen billion, one hundred forty million, six hundred seventeen thousand, nine hundred eighteen".