40841586 has 12 divisors (see below), whose sum is σ = 88490142. Its totient is φ = 13613856.

The previous prime is 40841573. The next prime is 40841587. The reversal of 40841586 is 68514804.

It can be written as a sum of positive squares in only one way, i.e., 39879225 + 962361 = 6315^2 + 981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40841586.

It is not an unprimeable number, because it can be changed into a prime (40841587) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134471 + ... + 1134506.

Almost surely, 2^40841586 is an apocalyptic number.

40841586 is an abundant number, since it is smaller than the sum of its proper divisors (47648556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40841586 is a wasteful number, since it uses less digits than its factorization.

40841586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268985 (or 2268982 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 40841586 is about 6390.7422104166. The cubic root of 40841586 is about 344.3770484934.

The spelling of 40841586 in words is "forty million, eight hundred forty-one thousand, five hundred eighty-six".