1443440042 has 16 divisors (see below), whose sum is σ = 2438187264. Its totient is φ = 634944000.

The previous prime is 1443439999. The next prime is 1443440087. The reversal of 1443440042 is 2400443441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1443439993 and 1443440020.

It is an unprimeable number.

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, 1057559 + ... + 1058922.

It is an arithmetic number, because the mean of its divisors is an integer number (152386704).

Almost surely, 2^1443440042 is an apocalyptic number.

1443440042 is a deficient number, since it is larger than the sum of its proper divisors (994747222).

1443440042 is a wasteful number, since it uses less digits than its factorization.

1443440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116525.

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

The square root of 1443440042 is about 37992.6314171577. The cubic root of 1443440042 is about 1130.1417427334.

Adding to 1443440042 its reverse (2400443441), we get a palindrome (3843883483).

The spelling of 1443440042 in words is "one billion, four hundred forty-three million, four hundred forty thousand, forty-two".