14020385418 has 160 divisors (see below), whose sum is σ = 37710066240. Its totient is φ = 3846320640.

The previous prime is 14020385413. The next prime is 14020385429. The reversal of 14020385418 is 81458302041.

14020385418 is a `hidden beast` number, since 140 + 20 + 3 + 85 + 418 = 666.

It is not an unprimeable number, because it can be changed into a prime (14020385411) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 669933 + ... + 690543.

It is an arithmetic number, because the mean of its divisors is an integer number (235687914).

Almost surely, 2^14020385418 is an apocalyptic number.

14020385418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14020385418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18855033120).

14020385418 is an abundant number, since it is smaller than the sum of its proper divisors (23689680822).

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

14020385418 is a wasteful number, since it uses less digits than its factorization.

14020385418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20674 (or 20665 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

Adding to 14020385418 its reverse (81458302041), we get a palindrome (95478687459).

The spelling of 14020385418 in words is "fourteen billion, twenty million, three hundred eighty-five thousand, four hundred eighteen".