40802840906 has 16 divisors (see below), whose sum is σ = 63383731200. Its totient is φ = 19676463408.

The previous prime is 40802840899. The next prime is 40802840909. The reversal of 40802840906 is 60904820804.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40802840909) 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, 329450 + ... + 436053.

It is an arithmetic number, because the mean of its divisors is an integer number (3961483200).

Almost surely, 2^40802840906 is an apocalyptic number.

40802840906 is a deficient number, since it is larger than the sum of its proper divisors (22580890294).

40802840906 is a wasteful number, since it uses less digits than its factorization.

40802840906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766453.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 40802840906 in words is "forty billion, eight hundred two million, eight hundred forty thousand, nine hundred six".