2040003442 has 4 divisors (see below), whose sum is σ = 3060005166. Its totient is φ = 1020001720.

The previous prime is 2040003431. The next prime is 2040003487. The reversal of 2040003442 is 2443000402.

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., 1157972841 + 882030601 = 34029^2 + 29699^2 .

It is a super-2 number, since 2×2040003442² = 8323228086743694728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510000859 + ... + 510000862.

Almost surely, 2^2040003442 is an apocalyptic number.

2040003442 is a deficient number, since it is larger than the sum of its proper divisors (1020001724).

2040003442 is a wasteful number, since it uses less digits than its factorization.

2040003442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020001723.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2040003442 is about 45166.3972661092. The cubic root of 2040003442 is about 1268.2658543721.

Adding to 2040003442 its reverse (2443000402), we get a palindrome (4483003844).

The spelling of 2040003442 in words is "two billion, forty million, three thousand, four hundred forty-two".