40841138 has 16 divisors (see below), whose sum is σ = 66562776. Its totient is φ = 18681600.

The previous prime is 40841137. The next prime is 40841161. The reversal of 40841138 is 83114804.

It can be written as a sum of positive squares in 4 ways, for example, as 22118209 + 18722929 = 4703^2 + 4327^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40841138.

It is not an unprimeable number, because it can be changed into a prime (40841137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 9888.

Almost surely, 2^40841138 is an apocalyptic number.

40841138 is a deficient number, since it is larger than the sum of its proper divisors (25721638).

40841138 is a wasteful number, since it uses less digits than its factorization.

40841138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14029.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 40841138 is about 6390.7071596186. The cubic root of 40841138 is about 344.3757893072.

The spelling of 40841138 in words is "forty million, eight hundred forty-one thousand, one hundred thirty-eight".