40024422 has 16 divisors (see below), whose sum is σ = 88943280. Its totient is φ = 13341456.

The previous prime is 40024421. The next prime is 40024423. The reversal of 40024422 is 22442004.

40024422 is a `hidden beast` number, since 400 + 244 + 22 = 666.

40024422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40024421) and next prime (40024423).

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 = 40024395 and 40024404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370543 + ... + 370650.

It is an arithmetic number, because the mean of its divisors is an integer number (5558955).

Almost surely, 2^40024422 is an apocalyptic number.

40024422 is an abundant number, since it is smaller than the sum of its proper divisors (48918858).

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

40024422 is a wasteful number, since it uses less digits than its factorization.

40024422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741204 (or 741198 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 40024422 is about 6326.4857543505. The cubic root of 40024422 is about 342.0647768960.

Adding to 40024422 its reverse (22442004), we get a palindrome (62466426).

The spelling of 40024422 in words is "forty million, twenty-four thousand, four hundred twenty-two".