40047533 has 8 divisors (see below), whose sum is σ = 40604928. Its totient is φ = 39493584.

The previous prime is 40047523. The next prime is 40047547. The reversal of 40047533 is 33574004.

40047533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-40047533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40047523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29516 + ... + 30842.

It is an arithmetic number, because the mean of its divisors is an integer number (5075616).

Almost surely, 2^40047533 is an apocalyptic number.

It is an amenable number.

40047533 is a deficient number, since it is larger than the sum of its proper divisors (557395).

40047533 is a wasteful number, since it uses less digits than its factorization.

40047533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 40047533 is about 6328.3120182241. The cubic root of 40047533 is about 342.1306028555.

The spelling of 40047533 in words is "forty million, forty-seven thousand, five hundred thirty-three".