2040423444 has 36 divisors (see below), whose sum is σ = 5277688416. Its totient is φ = 664323408.

The previous prime is 2040423397. The next prime is 2040423461. The reversal of 2040423444 is 4443240402.

It is a happy number.

2040423444 is a `hidden beast` number, since 20 + 404 + 234 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2040423444³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657504 + ... + 660599.

It is an arithmetic number, because the mean of its divisors is an integer number (146602456).

Almost surely, 2^2040423444 is an apocalyptic number.

It is an amenable number.

2040423444 is an abundant number, since it is smaller than the sum of its proper divisors (3237264972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2040423444 is a wasteful number, since it uses less digits than its factorization.

2040423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318156 (or 1318151 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2040423444 is about 45171.0465231878. The cubic root of 2040423444 is about 1268.3528865199.

Adding to 2040423444 its reverse (4443240402), we get a palindrome (6483663846).

The spelling of 2040423444 in words is "two billion, forty million, four hundred twenty-three thousand, four hundred forty-four".