40533375 has 16 divisors (see below), whose sum is σ = 67448160. Its totient is φ = 21617600.

The previous prime is 40533331. The next prime is 40533377. The reversal of 40533375 is 57333504.

It is not a de Polignac number, because 40533375 - 2¹⁶ = 40467839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40533377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53670 + ... + 54419.

It is an arithmetic number, because the mean of its divisors is an integer number (4215510).

Almost surely, 2^40533375 is an apocalyptic number.

40533375 is a deficient number, since it is larger than the sum of its proper divisors (26914785).

40533375 is a wasteful number, since it uses less digits than its factorization.

40533375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108107 (or 108097 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 40533375 is about 6366.5826783291. The cubic root of 40533375 is about 343.5085797984.

Adding to 40533375 its reverse (57333504), we get a palindrome (97866879).

The spelling of 40533375 in words is "forty million, five hundred thirty-three thousand, three hundred seventy-five".