40853843 has 2 divisors, whose sum is σ = 40853844. Its totient is φ = 40853842.

The previous prime is 40853821. The next prime is 40853851. The reversal of 40853843 is 34835804.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40853843 - 2²⁴ = 24076627 is a prime.

It is not a weakly prime, because it can be changed into another prime (40853803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20426921 + 20426922.

It is an arithmetic number, because the mean of its divisors is an integer number (20426922).

Almost surely, 2^40853843 is an apocalyptic number.

40853843 is a deficient number, since it is larger than the sum of its proper divisors (1).

40853843 is an equidigital number, since it uses as much as digits as its factorization.

40853843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 40853843 is about 6391.7011037751. The cubic root of 40853843 is about 344.4114954685.

The spelling of 40853843 in words is "forty million, eight hundred fifty-three thousand, eight hundred forty-three".