40808446 has 16 divisors (see below), whose sum is σ = 70151040. Its totient is φ = 17440920.

The previous prime is 40808437. The next prime is 40808459. The reversal of 40808446 is 64480804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461 + ... + 9151.

It is an arithmetic number, because the mean of its divisors is an integer number (4384440).

Almost surely, 2^40808446 is an apocalyptic number.

40808446 is a deficient number, since it is larger than the sum of its proper divisors (29342594).

40808446 is a wasteful number, since it uses less digits than its factorization.

40808446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 40808446 is about 6388.1488711520. The cubic root of 40808446 is about 344.2838775799.

The spelling of 40808446 in words is "forty million, eight hundred eight thousand, four hundred forty-six".