2040404404004 has 6 divisors (see below), whose sum is σ = 3570707707014. Its totient is φ = 1020202202000.

The previous prime is 2040404403971. The next prime is 2040404404009. The reversal of 2040404404004 is 4004044040402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1572340444900 + 468063959104 = 1253930^2 + 684152^2 .

It is not an unprimeable number, because it can be changed into a prime (2040404404009) 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 as a sum of consecutive naturals, namely, 255050550497 + ... + 255050550504.

It is an arithmetic number, because the mean of its divisors is an integer number (595117951169).

Almost surely, 2^{2040404404004} is an apocalyptic number.

It is an amenable number.

2040404404004 is a deficient number, since it is larger than the sum of its proper divisors (1530303303010).

2040404404004 is a wasteful number, since it uses less digits than its factorization.

2040404404004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510101101005 (or 510101101003 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2040404404004 its reverse (4004044040402), we get a palindrome (6044448444406).

The spelling of 2040404404004 in words is "two trillion, forty billion, four hundred four million, four hundred four thousand, four".