1442042320 has 40 divisors (see below), whose sum is σ = 3354383520. Its totient is φ = 576535680.

The previous prime is 1442042309. The next prime is 1442042351. The reversal of 1442042320 is 232402441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1442042291 and 1442042300.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 257955 + ... + 263485.

It is an arithmetic number, because the mean of its divisors is an integer number (83859588).

Almost surely, 2^1442042320 is an apocalyptic number.

1442042320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442042320 is an abundant number, since it is smaller than the sum of its proper divisors (1912341200).

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

1442042320 is a wasteful number, since it uses less digits than its factorization.

1442042320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803 (or 8797 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1442042320 is about 37974.2323161377. The cubic root of 1442042320 is about 1129.7768426637.

Adding to 1442042320 its reverse (232402441), we get a palindrome (1674444761).

The spelling of 1442042320 in words is "one billion, four hundred forty-two million, forty-two thousand, three hundred twenty".