1442660001 has 16 divisors (see below), whose sum is σ = 2062483200. Its totient is φ = 893737728.

The previous prime is 1442659979. The next prime is 1442660003. The reversal of 1442660001 is 1000662441.

It is not a de Polignac number, because 1442660001 - 2¹³ = 1442651809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442660003) 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 15 ways as a sum of consecutive naturals, for example, 175006 + ... + 183063.

It is an arithmetic number, because the mean of its divisors is an integer number (128905200).

Almost surely, 2^1442660001 is an apocalyptic number.

It is an amenable number.

1442660001 is a deficient number, since it is larger than the sum of its proper divisors (619823199).

1442660001 is a wasteful number, since it uses less digits than its factorization.

1442660001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358168.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1442660001 is about 37982.3643418890. The cubic root of 1442660001 is about 1129.9381282854.

The spelling of 1442660001 in words is "one billion, four hundred forty-two million, six hundred sixty thousand, one".