40558373 has 2 divisors, whose sum is σ = 40558374. Its totient is φ = 40558372.

The previous prime is 40558333. The next prime is 40558387. The reversal of 40558373 is 37385504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40170244 + 388129 = 6338^2 + 623^2 .

It is a cyclic number.

It is not a de Polignac number, because 40558373 - 2⁸ = 40558117 is a prime.

It is a super-3 number, since 3×40558373³ (a number of 24 digits) contains 333 as substring.

It is equal to p_2465567 and since 40558373 and 2465567 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40558313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20279186 + 20279187.

It is an arithmetic number, because the mean of its divisors is an integer number (20279187).

Almost surely, 2^40558373 is an apocalyptic number.

It is an amenable number.

40558373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40558373 is an equidigital number, since it uses as much as digits as its factorization.

40558373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 40558373 is about 6368.5455953459. The cubic root of 40558373 is about 343.5791822159.

The spelling of 40558373 in words is "forty million, five hundred fifty-eight thousand, three hundred seventy-three".