873440144 has 40 divisors (see below), whose sum is σ = 1808643168. Its totient is φ = 407175680.

The previous prime is 873440143. The next prime is 873440171. The reversal of 873440144 is 441044378.

It is not an unprimeable number, because it can be changed into a prime (873440143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14099 + ... + 44109.

Almost surely, 2^873440144 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 873440144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904321584).

873440144 is an abundant number, since it is smaller than the sum of its proper divisors (935203024).

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

873440144 is a wasteful number, since it uses less digits than its factorization.

873440144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30143 (or 30137 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 873440144 is about 29554.0207755222. The cubic root of 873440144 is about 955.8968919452.

The spelling of 873440144 in words is "eight hundred seventy-three million, four hundred forty thousand, one hundred forty-four".