2040420423444 has 24 divisors (see below), whose sum is σ = 5127210295200. Its totient is φ = 627821668704.

The previous prime is 2040420423443. The next prime is 2040420423473. The reversal of 2040420423444 is 4443240240402.

It is a super-3 number, since 3×2040420423444³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040420423443) 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 7 ways as a sum of consecutive naturals, for example, 6539808894 + ... + 6539809205.

It is an arithmetic number, because the mean of its divisors is an integer number (213633762300).

Almost surely, 2^{2040420423444} is an apocalyptic number.

It is an amenable number.

2040420423444 is an abundant number, since it is smaller than the sum of its proper divisors (3086789871756).

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

2040420423444 is a wasteful number, since it uses less digits than its factorization.

2040420423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13079618119 (or 13079618117 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 2040420423444 its reverse (4443240240402), we get a palindrome (6483660663846).

The spelling of 2040420423444 in words is "two trillion, forty billion, four hundred twenty million, four hundred twenty-three thousand, four hundred forty-four".