422341040 has 80 divisors (see below), whose sum is σ = 1079930880. Its totient is φ = 152328960.

The previous prime is 422341039. The next prime is 422341043. The reversal of 422341040 is 40143224.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (422341043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109871 + ... + 113649.

It is an arithmetic number, because the mean of its divisors is an integer number (13499136).

Almost surely, 2^422341040 is an apocalyptic number.

422341040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422341040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539965440).

422341040 is an abundant number, since it is smaller than the sum of its proper divisors (657589840).

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

422341040 is a wasteful number, since it uses less digits than its factorization.

422341040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422341040 is about 20550.9376915021. The cubic root of 422341040 is about 750.2760702197.

Adding to 422341040 its reverse (40143224), we get a palindrome (462484264).

The spelling of 422341040 in words is "four hundred twenty-two million, three hundred forty-one thousand, forty".