1420044818 has 8 divisors (see below), whose sum is σ = 2130227148. Its totient is φ = 709969104.

The previous prime is 1420044811. The next prime is 1420044823. The reversal of 1420044818 is 8184400241.

It can be written as a sum of positive squares in 2 ways, for example, as 1367002729 + 53042089 = 36973^2 + 7283^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1420044811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38480 + ... + 65732.

Almost surely, 2^1420044818 is an apocalyptic number.

1420044818 is a deficient number, since it is larger than the sum of its proper divisors (710182330).

1420044818 is a wasteful number, since it uses less digits than its factorization.

1420044818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53308.

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 1420044818 is about 37683.4820312561. The cubic root of 1420044818 is about 1124.0026896125.

The spelling of 1420044818 in words is "one billion, four hundred twenty million, forty-four thousand, eight hundred eighteen".