40382885 has 8 divisors (see below), whose sum is σ = 51010080. Its totient is φ = 30605904.

The previous prime is 40382857. The next prime is 40382893. The reversal of 40382885 is 58828304.

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

It is a cyclic number.

It is not a de Polignac number, because 40382885 - 2¹⁸ = 40120741 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 212447 + ... + 212636.

It is an arithmetic number, because the mean of its divisors is an integer number (6376260).

Almost surely, 2^40382885 is an apocalyptic number.

It is an amenable number.

40382885 is a deficient number, since it is larger than the sum of its proper divisors (10627195).

40382885 is a wasteful number, since it uses less digits than its factorization.

40382885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425107.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 40382885 is about 6354.7529456305. The cubic root of 40382885 is about 343.0829329109.

The spelling of 40382885 in words is "forty million, three hundred eighty-two thousand, eight hundred eighty-five".