1444240016 has 10 divisors (see below), whose sum is σ = 2798215062. Its totient is φ = 722120000.

The previous prime is 1444240013. The next prime is 1444240019. The reversal of 1444240016 is 6100424441.

It is an interprime number because it is at equal distance from previous prime (1444240013) and next prime (1444240019).

It can be written as a sum of positive squares in only one way, i.e., 1210761616 + 233478400 = 34796^2 + 15280^2 .

It is not an unprimeable number, because it can be changed into a prime (1444240013) 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 as a sum of consecutive naturals, namely, 45132485 + ... + 45132516.

Almost surely, 2^1444240016 is an apocalyptic number.

1444240016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1444240016 is a deficient number, since it is larger than the sum of its proper divisors (1353975046).

1444240016 is an equidigital number, since it uses as much as digits as its factorization.

1444240016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90265009 (or 90265003 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1444240016 is about 38003.1579740421. The cubic root of 1444240016 is about 1130.3504841236.

Adding to 1444240016 its reverse (6100424441), we get a palindrome (7544664457).

The spelling of 1444240016 in words is "one billion, four hundred forty-four million, two hundred forty thousand, sixteen".