1442051999 has 32 divisors (see below), whose sum is σ = 1608837120. Its totient is φ = 1287804672.

The previous prime is 1442051983. The next prime is 1442052011. The reversal of 1442051999 is 9991502441.

It is a cyclic number.

It is not a de Polignac number, because 1442051999 - 2⁴ = 1442051983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442051909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3929114 + ... + 3929480.

It is an arithmetic number, because the mean of its divisors is an integer number (50276160).

Almost surely, 2^1442051999 is an apocalyptic number.

1442051999 is a deficient number, since it is larger than the sum of its proper divisors (166785121).

1442051999 is a wasteful number, since it uses less digits than its factorization.

1442051999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 1442051999 is about 37974.3597576049. The cubic root of 1442051999 is about 1129.7793703486.

The spelling of 1442051999 in words is "one billion, four hundred forty-two million, fifty-one thousand, nine hundred ninety-nine".