422040404324 has 72 divisors (see below), whose sum is σ = 937922200992. Its totient is φ = 164314899840.

The previous prime is 422040404323. The next prime is 422040404347. The reversal of 422040404324 is 423404040224.

It is not an unprimeable number, because it can be changed into a prime (422040404323) 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, 3008024 + ... + 3145200.

It is an arithmetic number, because the mean of its divisors is an integer number (13026697236).

Almost surely, 2^422040404324 is an apocalyptic number.

422040404324 is a gapful number since it is divisible by the number (44) 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 422040404324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468961100496).

422040404324 is an abundant number, since it is smaller than the sum of its proper divisors (515881796668).

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

422040404324 is a wasteful number, since it uses less digits than its factorization.

422040404324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138633 (or 138624 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 422040404324 its reverse (423404040224), we get a palindrome (845444444548).

The spelling of 422040404324 in words is "four hundred twenty-two billion, forty million, four hundred four thousand, three hundred twenty-four".