14421620172 has 24 divisors (see below), whose sum is σ = 35113510656. Its totient is φ = 4598197648.

The previous prime is 14421620167. The next prime is 14421620189. The reversal of 14421620172 is 27102612441.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26125848 + ... + 26126399.

It is an arithmetic number, because the mean of its divisors is an integer number (1463062944).

Almost surely, 2^14421620172 is an apocalyptic number.

14421620172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14421620172 is an abundant number, since it is smaller than the sum of its proper divisors (20691890484).

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

14421620172 is a wasteful number, since it uses less digits than its factorization.

14421620172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52252277 (or 52252275 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 14421620172 in words is "fourteen billion, four hundred twenty-one million, six hundred twenty thousand, one hundred seventy-two".