40513033 has 8 divisors (see below), whose sum is σ = 44253216. Its totient is φ = 36782400.

The previous prime is 40513027. The next prime is 40513061. The reversal of 40513033 is 33031504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40513033 is a prime.

It is a super-3 number, since 3×40513033³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40513033.

It is not an unprimeable number, because it can be changed into a prime (40513003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8785 + ... + 12577.

It is an arithmetic number, because the mean of its divisors is an integer number (5531652).

Almost surely, 2^40513033 is an apocalyptic number.

It is an amenable number.

40513033 is a deficient number, since it is larger than the sum of its proper divisors (3740183).

40513033 is a wasteful number, since it uses less digits than its factorization.

40513033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 40513033 is about 6364.9849174998. The cubic root of 40513033 is about 343.4511060022.

Adding to 40513033 its reverse (33031504), we get a palindrome (73544537).

The spelling of 40513033 in words is "forty million, five hundred thirteen thousand, thirty-three".