40836386 has 4 divisors (see below), whose sum is σ = 61254582. Its totient is φ = 20418192.

The previous prime is 40836371. The next prime is 40836407. The reversal of 40836386 is 68363804.

40836386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35224225 + 5612161 = 5935^2 + 2369^2 .

It is a super-2 number, since 2×40836386² = 3335220843081992, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10209095 + ... + 10209098.

Almost surely, 2^40836386 is an apocalyptic number.

40836386 is a deficient number, since it is larger than the sum of its proper divisors (20418196).

40836386 is a wasteful number, since it uses less digits than its factorization.

40836386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20418195.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 40836386 is about 6390.3353589620. The cubic root of 40836386 is about 344.3624323726.

The spelling of 40836386 in words is "forty million, eight hundred thirty-six thousand, three hundred eighty-six".