440873172 has 96 divisors (see below), whose sum is σ = 1221897600. Its totient is φ = 136982016.

The previous prime is 440873161. The next prime is 440873179. The reversal of 440873172 is 271378044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440873179) 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 31 ways as a sum of consecutive naturals, for example, 199023 + ... + 201225.

It is an arithmetic number, because the mean of its divisors is an integer number (12728100).

Almost surely, 2^440873172 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 440873172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610948800).

440873172 is an abundant number, since it is smaller than the sum of its proper divisors (781024428).

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

440873172 is a wasteful number, since it uses less digits than its factorization.

440873172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 440873172 is about 20996.9800685718. The cubic root of 440873172 is about 761.0932857048.

The spelling of 440873172 in words is "four hundred forty million, eight hundred seventy-three thousand, one hundred seventy-two".