40782533 has 16 divisors (see below), whose sum is σ = 45906432. Its totient is φ = 35910000.

The previous prime is 40782529. The next prime is 40782551. The reversal of 40782533 is 33528704.

It is a happy number.

40782533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40782533 - 2² = 40782529 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40782533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40782503) 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 15 ways as a sum of consecutive naturals, for example, 71138 + ... + 71708.

It is an arithmetic number, because the mean of its divisors is an integer number (2869152).

Almost surely, 2^40782533 is an apocalyptic number.

40782533 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40782533 is a deficient number, since it is larger than the sum of its proper divisors (5123899).

40782533 is a wasteful number, since it uses less digits than its factorization.

40782533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 40782533 is about 6386.1203402379. The cubic root of 40782533 is about 344.2109897507.

The spelling of 40782533 in words is "forty million, seven hundred eighty-two thousand, five hundred thirty-three".