422244040440 has 64 divisors (see below), whose sum is σ = 1271661132960. Its totient is φ = 112160276480.

The previous prime is 422244040433. The next prime is 422244040549. The reversal of 422244040440 is 44040442224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 422244040398 and 422244040407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6814881 + ... + 6876560.

Almost surely, 2^422244040440 is an apocalyptic number.

422244040440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422244040440 is an abundant number, since it is smaller than the sum of its proper divisors (849417092520).

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

422244040440 is a wasteful number, since it uses less digits than its factorization.

422244040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691712 (or 13691708 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 422244040440 its reverse (44040442224), we get a palindrome (466284482664).

The spelling of 422244040440 in words is "four hundred twenty-two billion, two hundred forty-four million, forty thousand, four hundred forty".