40813412 has 12 divisors (see below), whose sum is σ = 71534316. Its totient is φ = 20375040.

The previous prime is 40813403. The next prime is 40813471. The reversal of 40813412 is 21431804.

40813412 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 17926756 + 22886656 = 4234^2 + 4784^2 .

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, 4889 + ... + 10272.

It is an arithmetic number, because the mean of its divisors is an integer number (5961193).

Almost surely, 2^40813412 is an apocalyptic number.

It is an amenable number.

40813412 is a deficient number, since it is larger than the sum of its proper divisors (30720904).

40813412 is a wasteful number, since it uses less digits than its factorization.

40813412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838 (or 15836 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 40813412 is about 6388.5375478274. The cubic root of 40813412 is about 344.2978423719.

The spelling of 40813412 in words is "forty million, eight hundred thirteen thousand, four hundred twelve".