422410440 has 64 divisors (see below), whose sum is σ = 1271842560. Its totient is φ = 112232960.

The previous prime is 422410409. The next prime is 422410481. The reversal of 422410440 is 44014224.

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, 27457 + ... + 39983.

It is an arithmetic number, because the mean of its divisors is an integer number (19872540).

Almost surely, 2^422410440 is an apocalyptic number.

422410440 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 422410440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635921280).

422410440 is an abundant number, since it is smaller than the sum of its proper divisors (849432120).

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

422410440 is a wasteful number, since it uses less digits than its factorization.

422410440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822 (or 12818 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 422410440 is about 20552.6261095754. The cubic root of 422410440 is about 750.3171636352.

Adding to 422410440 its reverse (44014224), we get a palindrome (466424664).

The spelling of 422410440 in words is "four hundred twenty-two million, four hundred ten thousand, four hundred forty".