40490293307 has 2 divisors, whose sum is σ = 40490293308. Its totient is φ = 40490293306.

The previous prime is 40490293279. The next prime is 40490293357. The reversal of 40490293307 is 70339209404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40490293307 is a prime.

It is not a weakly prime, because it can be changed into another prime (40490293357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20245146653 + 20245146654.

It is an arithmetic number, because the mean of its divisors is an integer number (20245146654).

Almost surely, 2^40490293307 is an apocalyptic number.

40490293307 is a deficient number, since it is larger than the sum of its proper divisors (1).

40490293307 is an equidigital number, since it uses as much as digits as its factorization.

40490293307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 40490293307 in words is "forty billion, four hundred ninety million, two hundred ninety-three thousand, three hundred seven".