1442444031 has 40 divisors (see below), whose sum is σ = 2467412640. Its totient is φ = 822638592.

The previous prime is 1442444009. The next prime is 1442444041. The reversal of 1442444031 is 1304442441.

1442444031 is a `hidden beast` number, since 14 + 4 + 244 + 403 + 1 = 666.

It is not a de Polignac number, because 1442444031 - 2⁷ = 1442443903 is a prime.

It is a super-2 number, since 2×1442444031² = 4161289565135057922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1442443986 and 1442444004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442444041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 324955 + ... + 329363.

It is an arithmetic number, because the mean of its divisors is an integer number (61685316).

Almost surely, 2^1442444031 is an apocalyptic number.

1442444031 is a deficient number, since it is larger than the sum of its proper divisors (1024968609).

1442444031 is an equidigital number, since it uses as much as digits as its factorization.

1442444031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005 (or 4996 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1442444031 is about 37979.5212055128. The cubic root of 1442444031 is about 1129.8817405674.

Adding to 1442444031 its reverse (1304442441), we get a palindrome (2746886472).

The spelling of 1442444031 in words is "one billion, four hundred forty-two million, four hundred forty-four thousand, thirty-one".