1442270642 has 8 divisors (see below), whose sum is σ = 2165737500. Its totient is φ = 720358144.

The previous prime is 1442270597. The next prime is 1442270657. The reversal of 1442270642 is 2460722441.

It can be written as a sum of positive squares in 2 ways, for example, as 1441644961 + 625681 = 37969^2 + 791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1442270599 and 1442270608.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 386267 + ... + 389982.

Almost surely, 2^1442270642 is an apocalyptic number.

1442270642 is a deficient number, since it is larger than the sum of its proper divisors (723466858).

1442270642 is an equidigital number, since it uses as much as digits as its factorization.

1442270642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777180.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 1442270642 is about 37977.2384725377. The cubic root of 1442270642 is about 1129.8364662711.

The spelling of 1442270642 in words is "one billion, four hundred forty-two million, two hundred seventy thousand, six hundred forty-two".