40242243202020 has 72 divisors (see below), whose sum is σ = 123208961488704. Its totient is φ = 10630972653888.

The previous prime is 40242243201997. The next prime is 40242243202027. The reversal of 40242243202020 is 2020234224204.

40242243202020 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 22 + 432 + 0 + 202 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (40242243202027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1044691104 + ... + 1044729623.

It is an arithmetic number, because the mean of its divisors is an integer number (1711235576232).

Almost surely, 2^{40242243202020} is an apocalyptic number.

It is an amenable number.

40242243202020 is an abundant number, since it is smaller than the sum of its proper divisors (82966718286684).

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

40242243202020 is a wasteful number, since it uses less digits than its factorization.

40242243202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089420849 (or 2089420844 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 40242243202020 its reverse (2020234224204), we get a palindrome (42262477426224).

The spelling of 40242243202020 in words is "forty trillion, two hundred forty-two billion, two hundred forty-three million, two hundred two thousand, twenty".