20040423200044 has 96 divisors (see below), whose sum is σ = 41978749188096. Its totient is φ = 8276986291200.

The previous prime is 20040423200041. The next prime is 20040423200047. The reversal of 20040423200044 is 44000232404002.

It is an interprime number because it is at equal distance from previous prime (20040423200041) and next prime (20040423200047).

It is a junction number, because it is equal to n+sod(n) for n = 20040423199991 and 20040423200018.

It is not an unprimeable number, because it can be changed into a prime (20040423200041) 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 31 ways as a sum of consecutive naturals, for example, 444369 + ... + 6346519.

It is an arithmetic number, because the mean of its divisors is an integer number (437278637376).

Almost surely, 2^{20040423200044} is an apocalyptic number.

It is an amenable number.

20040423200044 is an abundant number, since it is smaller than the sum of its proper divisors (21938325988052).

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

20040423200044 is a wasteful number, since it uses less digits than its factorization.

20040423200044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902375 (or 5902373 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20040423200044 its reverse (44000232404002), we get a palindrome (64040655604046).

The spelling of 20040423200044 in words is "twenty trillion, forty billion, four hundred twenty-three million, two hundred thousand, forty-four".