40841438 has 16 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 18500760.

The previous prime is 40841407. The next prime is 40841441. The reversal of 40841438 is 83414804.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731 + ... + 9777.

It is an arithmetic number, because the mean of its divisors is an integer number (4191264).

Almost surely, 2^40841438 is an apocalyptic number.

40841438 is a deficient number, since it is larger than the sum of its proper divisors (26218786).

40841438 is a wasteful number, since it uses less digits than its factorization.

40841438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 40841438 is about 6390.7306311563. The cubic root of 40841438 is about 344.3766325132.

The spelling of 40841438 in words is "forty million, eight hundred forty-one thousand, four hundred thirty-eight".