440342112 has 96 divisors (see below), whose sum is σ = 1330947072. Its totient is φ = 124867584.

The previous prime is 440342099. The next prime is 440342113. The reversal of 440342112 is 211243044.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440342113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89673 + ... + 94455.

It is an arithmetic number, because the mean of its divisors is an integer number (13864032).

Almost surely, 2^440342112 is an apocalyptic number.

440342112 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 440342112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665473536).

440342112 is an abundant number, since it is smaller than the sum of its proper divisors (890604960).

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

440342112 is a wasteful number, since it uses less digits than its factorization.

440342112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 4932 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 440342112 is about 20984.3301537123. The cubic root of 440342112 is about 760.7875677009.

Adding to 440342112 its reverse (211243044), we get a palindrome (651585156).

The spelling of 440342112 in words is "four hundred forty million, three hundred forty-two thousand, one hundred twelve".