40830533 has 6 divisors (see below), whose sum is σ = 41514642. Its totient is φ = 40157520.

The previous prime is 40830529. The next prime is 40830541. The reversal of 40830533 is 33503804.

It can be written as a sum of positive squares in 3 ways, for example, as 1304164 + 39526369 = 1142^2 + 6287^2 .

It is not a de Polignac number, because 40830533 - 2² = 40830529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40830553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1766 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (6919107).

Almost surely, 2^40830533 is an apocalyptic number.

It is an amenable number.

40830533 is a deficient number, since it is larger than the sum of its proper divisors (684109).

40830533 is an equidigital number, since it uses as much as digits as its factorization.

40830533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11095 (or 11034 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 40830533 is about 6389.8773853651. The cubic root of 40830533 is about 344.3459793200.

The spelling of 40830533 in words is "forty million, eight hundred thirty thousand, five hundred thirty-three".