40330422 has 48 divisors (see below), whose sum is σ = 95764032. Its totient is φ = 12165360.

The previous prime is 40330421. The next prime is 40330427. The reversal of 40330422 is 22403304.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40330395 and 40330404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40330421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68413 + ... + 68999.

It is an arithmetic number, because the mean of its divisors is an integer number (1995084).

Almost surely, 2^40330422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40330422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47882016).

40330422 is an abundant number, since it is smaller than the sum of its proper divisors (55433610).

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

40330422 is a wasteful number, since it uses less digits than its factorization.

40330422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40330422 is about 6350.6237488927. The cubic root of 40330422 is about 342.9342976659.

Adding to 40330422 its reverse (22403304), we get a palindrome (62733726).

The spelling of 40330422 in words is "forty million, three hundred thirty thousand, four hundred twenty-two".