40989682 has 16 divisors (see below), whose sum is σ = 62775000. Its totient is φ = 20067840.

The previous prime is 40989679. The next prime is 40989691. The reversal of 40989682 is 28698904.

It can be written as a sum of positive squares in 4 ways, for example, as 11840481 + 29149201 = 3441^2 + 5399^2 .

It is a super-2 number, since 2×40989682² = 3360308060922248, which contains 22 as substring.

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, 32194 + ... + 33442.

Almost surely, 2^40989682 is an apocalyptic number.

40989682 is a deficient number, since it is larger than the sum of its proper divisors (21785318).

40989682 is a wasteful number, since it uses less digits than its factorization.

40989682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 40989682 is about 6402.3184862985. The cubic root of 40989682 is about 344.7927958346.

The spelling of 40989682 in words is "forty million, nine hundred eighty-nine thousand, six hundred eighty-two".