40813684 has 24 divisors (see below), whose sum is σ = 74850048. Its totient is φ = 19435680.

The previous prime is 40813681. The next prime is 40813687. The reversal of 40813684 is 48631804.

40813684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40813681) and next prime (40813687).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40813681) 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, 24114 + ... + 25750.

It is an arithmetic number, because the mean of its divisors is an integer number (3118752).

Almost surely, 2^40813684 is an apocalyptic number.

It is an amenable number.

40813684 is a deficient number, since it is larger than the sum of its proper divisors (34036364).

40813684 is a wasteful number, since it uses less digits than its factorization.

40813684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 40813684 is about 6388.5588359191. The cubic root of 40813684 is about 344.2986072251.

The spelling of 40813684 in words is "forty million, eight hundred thirteen thousand, six hundred eighty-four".