422233440040 has 64 divisors (see below), whose sum is σ = 979612704000. Its totient is φ = 163710173952.

The previous prime is 422233440037. The next prime is 422233440059. The reversal of 422233440040 is 40044332224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 422233439990 and 422233440008.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023840 + ... + 1375759.

It is an arithmetic number, because the mean of its divisors is an integer number (15306448500).

Almost surely, 2^422233440040 is an apocalyptic number.

422233440040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422233440040 is an abundant number, since it is smaller than the sum of its proper divisors (557379263960).

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

422233440040 is a wasteful number, since it uses less digits than its factorization.

422233440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399746 (or 2399742 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 422233440040 its reverse (40044332224), we get a palindrome (462277772264).

The spelling of 422233440040 in words is "four hundred twenty-two billion, two hundred thirty-three million, four hundred forty thousand, forty".