1444421424 has 40 divisors (see below), whose sum is σ = 3736068912. Its totient is φ = 480874240.

The previous prime is 1444421423. The next prime is 1444421453. The reversal of 1444421424 is 4241244441.

It is a super-2 number, since 2×1444421424² = 4172706500220375552, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1444421391 and 1444421400.

It is not an unprimeable number, because it can be changed into a prime (1444421423) 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 in 7 ways as a sum of consecutive naturals, for example, 21082 + ... + 57734.

Almost surely, 2^1444421424 is an apocalyptic number.

It is an amenable number.

1444421424 is an abundant number, since it is smaller than the sum of its proper divisors (2291647488).

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

1444421424 is a wasteful number, since it uses less digits than its factorization.

1444421424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37485 (or 37479 counting only the distinct ones).

The product of its digits is 16384, while the sum is 30.

The square root of 1444421424 is about 38005.5446481168. The cubic root of 1444421424 is about 1130.3978091373.

Adding to 1444421424 its reverse (4241244441), we get a palindrome (5685665865).

The spelling of 1444421424 in words is "one billion, four hundred forty-four million, four hundred twenty-one thousand, four hundred twenty-four".