40204022204020 has 48 divisors (see below), whose sum is σ = 84479854536000. Its totient is φ = 16071819932160.

The previous prime is 40204022203991. The next prime is 40204022204023. The reversal of 40204022204020 is 2040222040204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40204022203982 and 40204022204000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204022204023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219687916 + ... + 219870844.

It is an arithmetic number, because the mean of its divisors is an integer number (1759996969500).

Almost surely, 2^{40204022204020} is an apocalyptic number.

It is an amenable number.

40204022204020 is an abundant number, since it is smaller than the sum of its proper divisors (44275832331980).

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

40204022204020 is a wasteful number, since it uses less digits than its factorization.

40204022204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189568 (or 189566 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40204022204020 its reverse (2040222040204), we get a palindrome (42244244244224).

The spelling of 40204022204020 in words is "forty trillion, two hundred four billion, twenty-two million, two hundred four thousand, twenty".