40867940 has 12 divisors (see below), whose sum is σ = 85822716. Its totient is φ = 16347168.

The previous prime is 40867927. The next prime is 40867961. The reversal of 40867940 is 4976804.

It is a happy number.

40867940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6270016 + 34597924 = 2504^2 + 5882^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40867894 and 40867903.

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 in 3 ways as a sum of consecutive naturals, for example, 1021679 + ... + 1021718.

It is an arithmetic number, because the mean of its divisors is an integer number (7151893).

Almost surely, 2^40867940 is an apocalyptic number.

It is an amenable number.

40867940 is an abundant number, since it is smaller than the sum of its proper divisors (44954776).

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

40867940 is a wasteful number, since it uses less digits than its factorization.

40867940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043406 (or 2043404 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 40867940 is about 6392.8037667365. The cubic root of 40867940 is about 344.4511050471.

The spelling of 40867940 in words is "forty million, eight hundred sixty-seven thousand, nine hundred forty".