40954843 has 2 divisors, whose sum is σ = 40954844. Its totient is φ = 40954842.

The previous prime is 40954841. The next prime is 40954847. The reversal of 40954843 is 34845904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40954843 - 2¹ = 40954841 is a prime.

Together with 40954841, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40954841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20477421 + 20477422.

It is an arithmetic number, because the mean of its divisors is an integer number (20477422).

Almost surely, 2^40954843 is an apocalyptic number.

40954843 is a deficient number, since it is larger than the sum of its proper divisors (1).

40954843 is an equidigital number, since it uses as much as digits as its factorization.

40954843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 40954843 is about 6399.5970966929. The cubic root of 40954843 is about 344.6950831056.

The spelling of 40954843 in words is "forty million, nine hundred fifty-four thousand, eight hundred forty-three".