422807040 has 200 divisors, whose sum is σ = 1515103920. Its totient is φ = 112693248.

The previous prime is 422807009. The next prime is 422807053. The reversal of 422807040 is 40708224.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 422806995 and 422807013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 206341 + ... + 208379.

Almost surely, 2^422807040 is an apocalyptic number.

422807040 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 422807040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757551960).

422807040 is an abundant number, since it is smaller than the sum of its proper divisors (1092296880).

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

422807040 is an equidigital number, since it uses as much as digits as its factorization.

422807040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 422807040 is about 20562.2722479788. The cubic root of 422807040 is about 750.5519137553.

It can be divided in two parts, 42 and 2807040, that added together give a palindrome (2807082).

The spelling of 422807040 in words is "four hundred twenty-two million, eight hundred seven thousand, forty".