40493767 has 2 divisors, whose sum is σ = 40493768. Its totient is φ = 40493766.

The previous prime is 40493753. The next prime is 40493771. The reversal of 40493767 is 76739404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40493767 - 2¹⁵ = 40460999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40493707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20246883 + 20246884.

It is an arithmetic number, because the mean of its divisors is an integer number (20246884).

Almost surely, 2^40493767 is an apocalyptic number.

40493767 is a deficient number, since it is larger than the sum of its proper divisors (1).

40493767 is an equidigital number, since it uses as much as digits as its factorization.

40493767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 40493767 is about 6363.4713011060. The cubic root of 40493767 is about 343.3966545686.

The spelling of 40493767 in words is "forty million, four hundred ninety-three thousand, seven hundred sixty-seven".