40343025377 has 2 divisors, whose sum is σ = 40343025378. Its totient is φ = 40343025376.

The previous prime is 40343025361. The next prime is 40343025479. The reversal of 40343025377 is 77352034304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39763949281 + 579076096 = 199409^2 + 24064^2 .

It is a cyclic number.

It is not a de Polignac number, because 40343025377 - 2⁴ = 40343025361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40343025377.

It is not a weakly prime, because it can be changed into another prime (40343025277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171512688 + 20171512689.

It is an arithmetic number, because the mean of its divisors is an integer number (20171512689).

Almost surely, 2^40343025377 is an apocalyptic number.

It is an amenable number.

40343025377 is a deficient number, since it is larger than the sum of its proper divisors (1).

40343025377 is an equidigital number, since it uses as much as digits as its factorization.

40343025377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 38.

The spelling of 40343025377 in words is "forty billion, three hundred forty-three million, twenty-five thousand, three hundred seventy-seven".