40422543 has 24 divisors (see below), whose sum is σ = 63679104. Its totient is φ = 22342320.

The previous prime is 40422521. The next prime is 40422553. The reversal of 40422543 is 34522404.

40422543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40422543 - 2⁶ = 40422479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40422553) 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 23 ways as a sum of consecutive naturals, for example, 19180 + ... + 21182.

It is an arithmetic number, because the mean of its divisors is an integer number (2653296).

Almost surely, 2^40422543 is an apocalyptic number.

40422543 is a deficient number, since it is larger than the sum of its proper divisors (23256561).

40422543 is a wasteful number, since it uses less digits than its factorization.

40422543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 40422543 is about 6357.8725215279. The cubic root of 40422543 is about 343.1952043304.

Adding to 40422543 its reverse (34522404), we get a palindrome (74944947).

The spelling of 40422543 in words is "forty million, four hundred twenty-two thousand, five hundred forty-three".