2869442172 has 144 divisors (see below), whose sum is σ = 8011890432. Its totient is φ = 894862080.

The previous prime is 2869442143. The next prime is 2869442179. The reversal of 2869442172 is 2712449682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869442179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3486153 + ... + 3486975.

It is an arithmetic number, because the mean of its divisors is an integer number (55638128).

Almost surely, 2^2869442172 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 2869442172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4005945216).

2869442172 is an abundant number, since it is smaller than the sum of its proper divisors (5142448260).

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

2869442172 is a wasteful number, since it uses less digits than its factorization.

2869442172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1056 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2869442172 is about 53567.1743887990. The cubic root of 2869442172 is about 1421.0166250292.

The spelling of 2869442172 in words is "two billion, eight hundred sixty-nine million, four hundred forty-two thousand, one hundred seventy-two".