40460656349 has 2 divisors, whose sum is σ = 40460656350. Its totient is φ = 40460656348.

The previous prime is 40460656339. The next prime is 40460656441. The reversal of 40460656349 is 94365606404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37266372025 + 3194284324 = 193045^2 + 56518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40460656349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40460656309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20230328174 + 20230328175.

It is an arithmetic number, because the mean of its divisors is an integer number (20230328175).

Almost surely, 2^40460656349 is an apocalyptic number.

It is an amenable number.

40460656349 is a deficient number, since it is larger than the sum of its proper divisors (1).

40460656349 is an equidigital number, since it uses as much as digits as its factorization.

40460656349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 40460656349 in words is "forty billion, four hundred sixty million, six hundred fifty-six thousand, three hundred forty-nine".