40369933 has 4 divisors (see below), whose sum is σ = 40395420. Its totient is φ = 40344448.

The previous prime is 40369921. The next prime is 40369937. The reversal of 40369933 is 33996304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24980004 + 15389929 = 4998^2 + 3923^2 .

It is a cyclic number.

It is not a de Polignac number, because 40369933 - 2²¹ = 38272781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40369892 and 40369901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40369937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10198 + ... + 13591.

It is an arithmetic number, because the mean of its divisors is an integer number (10098855).

Almost surely, 2^40369933 is an apocalyptic number.

It is an amenable number.

40369933 is a deficient number, since it is larger than the sum of its proper divisors (25487).

40369933 is a wasteful number, since it uses less digits than its factorization.

40369933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25486.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 40369933 is about 6353.7337841619. The cubic root of 40369933 is about 343.0462500002.

The spelling of 40369933 in words is "forty million, three hundred sixty-nine thousand, nine hundred thirty-three".