40841408 has 14 divisors (see below), whose sum is σ = 81044796. Its totient is φ = 20420672.

The previous prime is 40841407. The next prime is 40841441. The reversal of 40841408 is 80414804.

It is not an unprimeable number, because it can be changed into a prime (40841407) by changing a digit.

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 as a sum of consecutive naturals, namely, 319010 + ... + 319137.

It is an arithmetic number, because the mean of its divisors is an integer number (5788914).

Almost surely, 2^40841408 is an apocalyptic number.

It is an amenable number.

40841408 is a deficient number, since it is larger than the sum of its proper divisors (40203388).

40841408 is an equidigital number, since it uses as much as digits as its factorization.

40841408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638159 (or 638149 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 40841408 is about 6390.7282840064. The cubic root of 40841408 is about 344.3765481928.

The spelling of 40841408 in words is "forty million, eight hundred forty-one thousand, four hundred eight".