40910893 has 2 divisors, whose sum is σ = 40910894. Its totient is φ = 40910892.

The previous prime is 40910873. The next prime is 40910923. The reversal of 40910893 is 39801904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 2010724 = 6237^2 + 1418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40910893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40910833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20455446 + 20455447.

It is an arithmetic number, because the mean of its divisors is an integer number (20455447).

Almost surely, 2^40910893 is an apocalyptic number.

It is an amenable number.

40910893 is a deficient number, since it is larger than the sum of its proper divisors (1).

40910893 is an equidigital number, since it uses as much as digits as its factorization.

40910893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 40910893 is about 6396.1623650436. The cubic root of 40910893 is about 344.5717377321.

The spelling of 40910893 in words is "forty million, nine hundred ten thousand, eight hundred ninety-three".