4459172172 has 96 divisors (see below), whose sum is σ = 13047616512. Its totient is φ = 1153840896.

The previous prime is 4459172161. The next prime is 4459172183. The reversal of 4459172172 is 2712719544.

It is an interprime number because it is at equal distance from previous prime (4459172161) and next prime (4459172183).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19353 + ... + 96399.

It is an arithmetic number, because the mean of its divisors is an integer number (135912672).

Almost surely, 2^4459172172 is an apocalyptic number.

4459172172 is a gapful number since it is divisible by the number (42) 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 4459172172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6523808256).

4459172172 is an abundant number, since it is smaller than the sum of its proper divisors (8588444340).

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

4459172172 is a wasteful number, since it uses less digits than its factorization.

4459172172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77127 (or 77125 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 4459172172 is about 66777.0332674341. The cubic root of 4459172172 is about 1645.9554655377.

The spelling of 4459172172 in words is "four billion, four hundred fifty-nine million, one hundred seventy-two thousand, one hundred seventy-two".