40243422 has 16 divisors (see below), whose sum is σ = 83986560. Its totient is φ = 12831192.

The previous prime is 40243417. The next prime is 40243459. The reversal of 40243422 is 22434204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145672 + ... + 145947.

It is an arithmetic number, because the mean of its divisors is an integer number (5249160).

Almost surely, 2^40243422 is an apocalyptic number.

40243422 is an abundant number, since it is smaller than the sum of its proper divisors (43743138).

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

40243422 is a wasteful number, since it uses less digits than its factorization.

40243422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291647.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 40243422 is about 6343.7703300167. The cubic root of 40243422 is about 342.6875297463.

Adding to 40243422 its reverse (22434204), we get a palindrome (62677626).

The spelling of 40243422 in words is "forty million, two hundred forty-three thousand, four hundred twenty-two".