444112240 has 80 divisors (see below), whose sum is σ = 1213109856. Its totient is φ = 149068800.

The previous prime is 444112223. The next prime is 444112271. The reversal of 444112240 is 42211444.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7971 + ... + 30850.

Almost surely, 2^444112240 is an apocalyptic number.

444112240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444112240 is an abundant number, since it is smaller than the sum of its proper divisors (768997616).

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

444112240 is a wasteful number, since it uses less digits than its factorization.

444112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38858 (or 38852 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 444112240 is about 21073.9706747447. The cubic root of 444112240 is about 762.9526413958.

Adding to 444112240 its reverse (42211444), we get a palindrome (486323684).

The spelling of 444112240 in words is "four hundred forty-four million, one hundred twelve thousand, two hundred forty".