1442421519 has 24 divisors (see below), whose sum is σ = 2415960960. Its totient is φ = 749308560.

The previous prime is 1442421509. The next prime is 1442421523. The reversal of 1442421519 is 9151242441.

It is not a de Polignac number, because 1442421519 - 2⁴ = 1442421503 is a prime.

It is a super-2 number, since 2×1442421519² = 4161159676948534722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 1442421519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442421509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281289 + ... + 286370.

It is an arithmetic number, because the mean of its divisors is an integer number (100665040).

Almost surely, 2^1442421519 is an apocalyptic number.

1442421519 is a deficient number, since it is larger than the sum of its proper divisors (973539441).

1442421519 is a wasteful number, since it uses less digits than its factorization.

1442421519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567691 (or 567680 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1442421519 is about 37979.2248341116. The cubic root of 1442421519 is about 1129.8758625739.

The spelling of 1442421519 in words is "one billion, four hundred forty-two million, four hundred twenty-one thousand, five hundred nineteen".