40545833 has 6 divisors (see below), whose sum is σ = 43071486. Its totient is φ = 38160512.

The previous prime is 40545823. The next prime is 40545853. The reversal of 40545833 is 33854504.

40545833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 17197609 + 23348224 = 4147^2 + 4832^2 .

It is not a de Polignac number, because 40545833 - 2⁸ = 40545577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40545833.

It is not an unprimeable number, because it can be changed into a prime (40545823) 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 5 ways as a sum of consecutive naturals, for example, 69860 + ... + 70437.

It is an arithmetic number, because the mean of its divisors is an integer number (7178581).

Almost surely, 2^40545833 is an apocalyptic number.

It is an amenable number.

40545833 is a deficient number, since it is larger than the sum of its proper divisors (2525653).

40545833 is a wasteful number, since it uses less digits than its factorization.

40545833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140331 (or 140314 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 40545833 is about 6367.5609930334. The cubic root of 40545833 is about 343.5437688373.

The spelling of 40545833 in words is "forty million, five hundred forty-five thousand, eight hundred thirty-three".