1442041642 has 4 divisors (see below), whose sum is σ = 2163062466. Its totient is φ = 721020820.

The previous prime is 1442041621. The next prime is 1442041669. The reversal of 1442041642 is 2461402441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 765573561 + 676468081 = 27669^2 + 26009^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1442041642.

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 as a sum of consecutive naturals, namely, 360510409 + ... + 360510412.

Almost surely, 2^1442041642 is an apocalyptic number.

1442041642 is a deficient number, since it is larger than the sum of its proper divisors (721020824).

1442041642 is an equidigital number, since it uses as much as digits as its factorization.

1442041642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721020823.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 1442041642 is about 37974.2233890306. The cubic root of 1442041642 is about 1129.7766656026.

The spelling of 1442041642 in words is "one billion, four hundred forty-two million, forty-one thousand, six hundred forty-two".