4418169372 has 144 divisors (see below), whose sum is σ = 12346719840. Its totient is φ = 1325850624.

The previous prime is 4418169367. The next prime is 4418169377. The reversal of 4418169372 is 2739618144.

4418169372 is a `hidden beast` number, since 4 + 418 + 169 + 3 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (4418169367) and next prime (4418169377).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4418169377) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2004423 + ... + 2006625.

It is an arithmetic number, because the mean of its divisors is an integer number (85741110).

Almost surely, 2^4418169372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4418169372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6173359920).

4418169372 is an abundant number, since it is smaller than the sum of its proper divisors (7928550468).

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

4418169372 is a wasteful number, since it uses less digits than its factorization.

4418169372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372 (or 2367 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4418169372 is about 66469.3115053857. The cubic root of 4418169372 is about 1640.8949819551.

The spelling of 4418169372 in words is "four billion, four hundred eighteen million, one hundred sixty-nine thousand, three hundred seventy-two".