40058891 has 2 divisors, whose sum is σ = 40058892. Its totient is φ = 40058890.

The previous prime is 40058881. The next prime is 40058951. The reversal of 40058891 is 19885004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40058891 - 2¹⁰ = 40057867 is a prime.

It is not a weakly prime, because it can be changed into another prime (40058861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20029445 + 20029446.

It is an arithmetic number, because the mean of its divisors is an integer number (20029446).

Almost surely, 2^40058891 is an apocalyptic number.

40058891 is a deficient number, since it is larger than the sum of its proper divisors (1).

40058891 is an equidigital number, since it uses as much as digits as its factorization.

40058891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 40058891 is about 6329.2093503059. The cubic root of 40058891 is about 342.1629440244.

The spelling of 40058891 in words is "forty million, fifty-eight thousand, eight hundred ninety-one".