40820006 has 8 divisors (see below), whose sum is σ = 61283520. Its totient is φ = 20392168.

The previous prime is 40819997. The next prime is 40820047. The reversal of 40820006 is 60002804.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40820006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5846 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (7660440).

Almost surely, 2^40820006 is an apocalyptic number.

40820006 is a deficient number, since it is larger than the sum of its proper divisors (20463514).

40820006 is a wasteful number, since it uses less digits than its factorization.

40820006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17838.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40820006 is about 6389.0536075384. The cubic root of 40820006 is about 344.3163834806.

The spelling of 40820006 in words is "forty million, eight hundred twenty thousand, six".