40813843 has 8 divisors (see below), whose sum is σ = 49099520. Its totient is φ = 33141960.

The previous prime is 40813841. The next prime is 40813867. The reversal of 40813843 is 34831804.

40813843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40813843 - 2¹ = 40813841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40813841) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 153303 + ... + 153568.

It is an arithmetic number, because the mean of its divisors is an integer number (6137440).

Almost surely, 2^40813843 is an apocalyptic number.

40813843 is a deficient number, since it is larger than the sum of its proper divisors (8285677).

40813843 is a wasteful number, since it uses less digits than its factorization.

40813843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306897.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40813843 is about 6388.5712800281. The cubic root of 40813843 is about 344.2990543252.

The spelling of 40813843 in words is "forty million, eight hundred thirteen thousand, eight hundred forty-three".