40004933 has 4 divisors (see below), whose sum is σ = 40123980. Its totient is φ = 39885888.

The previous prime is 40004917. The next prime is 40004947. The reversal of 40004933 is 33940004.

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 9721924 + 30283009 = 3118^2 + 5503^2 .

It is a cyclic number.

It is not a de Polignac number, because 40004933 - 2⁴ = 40004917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40004899 and 40004908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59018 + ... + 59691.

It is an arithmetic number, because the mean of its divisors is an integer number (10030995).

Almost surely, 2^40004933 is an apocalyptic number.

It is an amenable number.

40004933 is a deficient number, since it is larger than the sum of its proper divisors (119047).

40004933 is a wasteful number, since it uses less digits than its factorization.

40004933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119046.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40004933 is about 6324.9452962061. The cubic root of 40004933 is about 342.0092476097.

Adding to 40004933 its reverse (33940004), we get a palindrome (73944937).

The spelling of 40004933 in words is "forty million, four thousand, nine hundred thirty-three".