40042200224020 has 24 divisors (see below), whose sum is σ = 85240519384104. Its totient is φ = 15797470772736.

The previous prime is 40042200223981. The next prime is 40042200224063. The reversal of 40042200224020 is 2042200224004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30148765956 + 40012051458064 = 173634^2 + 6325508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40042200223982 and 40042200224000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13713080809 + ... + 13713083728.

It is an arithmetic number, because the mean of its divisors is an integer number (3551688307671).

Almost surely, 2^{40042200224020} is an apocalyptic number.

It is an amenable number.

40042200224020 is an abundant number, since it is smaller than the sum of its proper divisors (45198319160084).

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

40042200224020 is a wasteful number, since it uses less digits than its factorization.

40042200224020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27426164619 (or 27426164617 counting only the distinct ones).

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

Adding to 40042200224020 its reverse (2042200224004), we get a palindrome (42084400448024).

The spelling of 40042200224020 in words is "forty trillion, forty-two billion, two hundred million, two hundred twenty-four thousand, twenty".