40130733 has 8 divisors (see below), whose sum is σ = 53683168. Its totient is φ = 26666064.

The previous prime is 40130719. The next prime is 40130737. The reversal of 40130733 is 33703104.

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

It is not a de Polignac number, because 40130733 - 2⁹ = 40130221 is a prime.

It is a super-2 number, since 2×40130733² = 3220951462234578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20866 + ... + 22707.

It is an arithmetic number, because the mean of its divisors is an integer number (6710396).

Almost surely, 2^40130733 is an apocalyptic number.

It is an amenable number.

40130733 is a deficient number, since it is larger than the sum of its proper divisors (13552435).

40130733 is a wasteful number, since it uses less digits than its factorization.

40130733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43883.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 40130733 is about 6334.8822404209. The cubic root of 40130733 is about 342.3673679715.

Adding to 40130733 its reverse (33703104), we get a palindrome (73833837).

The spelling of 40130733 in words is "forty million, one hundred thirty thousand, seven hundred thirty-three".