40562993 has 2 divisors, whose sum is σ = 40562994. Its totient is φ = 40562992.

The previous prime is 40562959. The next prime is 40563001. The reversal of 40562993 is 39926504.

40562993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29084449 + 11478544 = 5393^2 + 3388^2 .

It is a cyclic number.

It is not a de Polignac number, because 40562993 - 2¹⁸ = 40300849 is a prime.

It is a super-2 number, since 2×40562993² = 3290712802236098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40562903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20281496 + 20281497.

It is an arithmetic number, because the mean of its divisors is an integer number (20281497).

Almost surely, 2^40562993 is an apocalyptic number.

It is an amenable number.

40562993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40562993 is an equidigital number, since it uses as much as digits as its factorization.

40562993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 40562993 is about 6368.9083051964. The cubic root of 40562993 is about 343.5922274101.

The spelling of 40562993 in words is "forty million, five hundred sixty-two thousand, nine hundred ninety-three".