422401111440 has 160 divisors (see below), whose sum is σ = 1632552938496. Its totient is φ = 87771655680.

The previous prime is 422401111421. The next prime is 422401111487. The reversal of 422401111440 is 44111104224.

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

It is a self number, because there is not a number n which added to its sum of digits gives 422401111440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11410122 + ... + 11447081.

Almost surely, 2^422401111440 is an apocalyptic number.

422401111440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422401111440 is an abundant number, since it is smaller than the sum of its proper divisors (1210151827056).

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

422401111440 is a wasteful number, since it uses less digits than its factorization.

422401111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22857237 (or 22857231 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 422401111440 its reverse (44111104224), we get a palindrome (466512215664).

The spelling of 422401111440 in words is "four hundred twenty-two billion, four hundred one million, one hundred eleven thousand, four hundred forty".