1442421424 has 10 divisors (see below), whose sum is σ = 2794691540. Its totient is φ = 721210704.

The previous prime is 1442421397. The next prime is 1442421467. The reversal of 1442421424 is 4241242441.

It is a happy number.

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 = 1442421392 and 1442421401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45075654 + ... + 45075685.

It is an arithmetic number, because the mean of its divisors is an integer number (279469154).

Almost surely, 2^1442421424 is an apocalyptic number.

It is an amenable number.

1442421424 is a deficient number, since it is larger than the sum of its proper divisors (1352270116).

1442421424 is an equidigital number, since it uses as much as digits as its factorization.

1442421424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90151347 (or 90151341 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 1442421424 is about 37979.2235834278. The cubic root of 1442421424 is about 1129.8758377688.

Adding to 1442421424 its reverse (4241242441), we get a palindrome (5683663865).

The spelling of 1442421424 in words is "one billion, four hundred forty-two million, four hundred twenty-one thousand, four hundred twenty-four".