1444420232 has 16 divisors (see below), whose sum is σ = 2867599260. Its totient is φ = 679727104.

The previous prime is 1444420157. The next prime is 1444420277. The reversal of 1444420232 is 2320244441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1404300676 + 40119556 = 37474^2 + 6334^2 .

It is a super-2 number, since 2×1444420232² = 4172699613221867648, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5310233 + ... + 5310504.

Almost surely, 2^1444420232 is an apocalyptic number.

It is an amenable number.

1444420232 is a deficient number, since it is larger than the sum of its proper divisors (1423179028).

1444420232 is a wasteful number, since it uses less digits than its factorization.

1444420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10620760 (or 10620756 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1444420232 is about 38005.5289661912. The cubic root of 1444420232 is about 1130.3974981859.

Adding to 1444420232 its reverse (2320244441), we get a palindrome (3764664673).

The spelling of 1444420232 in words is "one billion, four hundred forty-four million, four hundred twenty thousand, two hundred thirty-two".