14181185820 has 48 divisors (see below), whose sum is σ = 39950951040. Its totient is φ = 3758446656.

The previous prime is 14181185807. The next prime is 14181185849. The reversal of 14181185820 is 2858118141.

14181185820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14181185820² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715230 + ... + 734789.

It is an arithmetic number, because the mean of its divisors is an integer number (832311480).

Almost surely, 2^14181185820 is an apocalyptic number.

14181185820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14181185820 is an abundant number, since it is smaller than the sum of its proper divisors (25769765220).

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

14181185820 is a wasteful number, since it uses less digits than its factorization.

14181185820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450194 (or 1450192 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 39.

The spelling of 14181185820 in words is "fourteen billion, one hundred eighty-one million, one hundred eighty-five thousand, eight hundred twenty".