422334020040 has 64 divisors (see below), whose sum is σ = 1275392856960. Its totient is φ = 111876556800.

The previous prime is 422334020039. The next prime is 422334020047. The reversal of 422334020040 is 40020433224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (422334020047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11635689 + ... + 11671928.

It is an arithmetic number, because the mean of its divisors is an integer number (19928013390).

Almost surely, 2^422334020040 is an apocalyptic number.

422334020040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422334020040 is an abundant number, since it is smaller than the sum of its proper divisors (853058836920).

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

422334020040 is a wasteful number, since it uses less digits than its factorization.

422334020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23307782 (or 23307778 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 422334020040 its reverse (40020433224), we get a palindrome (462354453264).

The spelling of 422334020040 in words is "four hundred twenty-two billion, three hundred thirty-four million, twenty thousand, forty".