40370843 has 2 divisors, whose sum is σ = 40370844. Its totient is φ = 40370842.

The previous prime is 40370833. The next prime is 40370873. The reversal of 40370843 is 34807304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40370843 - 2¹² = 40366747 is a prime.

It is not a weakly prime, because it can be changed into another prime (40370833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20185421 + 20185422.

It is an arithmetic number, because the mean of its divisors is an integer number (20185422).

Almost surely, 2^40370843 is an apocalyptic number.

40370843 is a deficient number, since it is larger than the sum of its proper divisors (1).

40370843 is an equidigital number, since it uses as much as digits as its factorization.

40370843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40370843 is about 6353.8053951943. The cubic root of 40370843 is about 343.0488275764.

The spelling of 40370843 in words is "forty million, three hundred seventy thousand, eight hundred forty-three".