40123340222020 has 48 divisors (see below), whose sum is σ = 91983520758528. Its totient is φ = 14580052220160.

The previous prime is 40123340222011. The next prime is 40123340222027. The reversal of 40123340222020 is 2022204332104.

It is not an unprimeable number, because it can be changed into a prime (40123340222027) 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, 63769449 + ... + 64395568.

It is an arithmetic number, because the mean of its divisors is an integer number (1916323349136).

Almost surely, 2^{40123340222020} is an apocalyptic number.

It is an amenable number.

40123340222020 is an abundant number, since it is smaller than the sum of its proper divisors (51860180536508).

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

40123340222020 is a wasteful number, since it uses less digits than its factorization.

40123340222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128166460 (or 128166458 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 40123340222020 its reverse (2022204332104), we get a palindrome (42145544554124).

The spelling of 40123340222020 in words is "forty trillion, one hundred twenty-three billion, three hundred forty million, two hundred twenty-two thousand, twenty".