1442341636 has 6 divisors (see below), whose sum is σ = 2524097870. Its totient is φ = 721170816.

The previous prime is 1442341627. The next prime is 1442341639. The reversal of 1442341636 is 6361432441.

It can be written as a sum of positive squares in only one way, i.e., 1001089600 + 441252036 = 31640^2 + 21006^2 .

It is not an unprimeable number, because it can be changed into a prime (1442341639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180292701 + ... + 180292708.

Almost surely, 2^1442341636 is an apocalyptic number.

It is an amenable number.

1442341636 is a deficient number, since it is larger than the sum of its proper divisors (1081756234).

1442341636 is a wasteful number, since it uses less digits than its factorization.

1442341636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360585413 (or 360585411 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 1442341636 is about 37978.1731524833. The cubic root of 1442341636 is about 1129.8550042375.

The spelling of 1442341636 in words is "one billion, four hundred forty-two million, three hundred forty-one thousand, six hundred thirty-six".