1444430036 has 18 divisors (see below), whose sum is σ = 2940447258. Its totient is φ = 619041360.

The previous prime is 1444430033. The next prime is 1444430059. The reversal of 1444430036 is 6300344441.

It can be written as a sum of positive squares in only one way, i.e., 826907536 + 617522500 = 28756^2 + 24850^2 .

It is a super-2 number, since 2×1444430036² = 4172756257797922592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1444429990 and 1444430008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444430033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3684575 + ... + 3684966.

It is an arithmetic number, because the mean of its divisors is an integer number (163358181).

Almost surely, 2^1444430036 is an apocalyptic number.

It is an amenable number.

1444430036 is an abundant number, since it is smaller than the sum of its proper divisors (1496017222).

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

1444430036 is a wasteful number, since it uses less digits than its factorization.

1444430036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369559 (or 7369550 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 1444430036 is about 38005.6579472057. The cubic root of 1444430036 is about 1130.4000557039.

Adding to 1444430036 its reverse (6300344441), we get a palindrome (7744774477).

The spelling of 1444430036 in words is "one billion, four hundred forty-four million, four hundred thirty thousand, thirty-six".