422071040 has 72 divisors (see below), whose sum is σ = 1016685600. Its totient is φ = 167878656.

The previous prime is 422071007. The next prime is 422071043. The reversal of 422071040 is 40170224.

422071040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (422071043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253892 + ... + 255548.

Almost surely, 2^422071040 is an apocalyptic number.

422071040 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 422071040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508342800).

422071040 is an abundant number, since it is smaller than the sum of its proper divisors (594614560).

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

422071040 is a wasteful number, since it uses less digits than its factorization.

422071040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 422071040 is about 20544.3675979574. The cubic root of 422071040 is about 750.1161538620.

The spelling of 422071040 in words is "four hundred twenty-two million, seventy-one thousand, forty".