40490082 has 24 divisors (see below), whose sum is σ = 87847500. Its totient is φ = 13478400.

The previous prime is 40490071. The next prime is 40490089. The reversal of 40490082 is 28009404.

It can be written as a sum of positive squares in 2 ways, for example, as 37933281 + 2556801 = 6159^2 + 1599^2 .

It is not an unprimeable number, because it can be changed into a prime (40490089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21582 + ... + 23382.

Almost surely, 2^40490082 is an apocalyptic number.

40490082 is an abundant number, since it is smaller than the sum of its proper divisors (47357418).

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

40490082 is a wasteful number, since it uses less digits than its factorization.

40490082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 40490082 is about 6363.1817512939. The cubic root of 40490082 is about 343.3862376975.

Adding to 40490082 its reverse (28009404), we get a palindrome (68499486).

The spelling of 40490082 in words is "forty million, four hundred ninety thousand, eighty-two".