40543375 has 32 divisors (see below), whose sum is σ = 52955136. Its totient is φ = 30967200.

The previous prime is 40543361. The next prime is 40543387. The reversal of 40543375 is 57334504.

40543375 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 40543375 - 2²¹ = 38446223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 393574 + ... + 393676.

It is an arithmetic number, because the mean of its divisors is an integer number (1654848).

Almost surely, 2^40543375 is an apocalyptic number.

40543375 is a deficient number, since it is larger than the sum of its proper divisors (12411761).

40543375 is a wasteful number, since it uses less digits than its factorization.

40543375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 40543375 is about 6367.3679805709. The cubic root of 40543375 is about 343.5368265074.

Adding to 40543375 its reverse (57334504), we get a palindrome (97877879).

The spelling of 40543375 in words is "forty million, five hundred forty-three thousand, three hundred seventy-five".