40993087 has 2 divisors, whose sum is σ = 40993088. Its totient is φ = 40993086.

The previous prime is 40993081. The next prime is 40993093. The reversal of 40993087 is 78039904.

40993087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40993081) and next prime (40993093).

It is a cyclic number.

It is not a de Polignac number, because 40993087 - 2²³ = 32604479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40993081) 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, 20496543 + 20496544.

It is an arithmetic number, because the mean of its divisors is an integer number (20496544).

Almost surely, 2^40993087 is an apocalyptic number.

40993087 is a deficient number, since it is larger than the sum of its proper divisors (1).

40993087 is an equidigital number, since it uses as much as digits as its factorization.

40993087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 40993087 is about 6402.5844000685. The cubic root of 40993087 is about 344.8023428467.

The spelling of 40993087 in words is "forty million, nine hundred ninety-three thousand, eighty-seven".