40343303057 has 2 divisors, whose sum is σ = 40343303058. Its totient is φ = 40343303056.

The previous prime is 40343302969. The next prime is 40343303059. The reversal of 40343303057 is 75030334304.

40343303057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31216175761 + 9127127296 = 176681^2 + 95536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40343303057 is a prime.

Together with 40343303059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40343303059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171651528 + 20171651529.

It is an arithmetic number, because the mean of its divisors is an integer number (20171651529).

Almost surely, 2^40343303057 is an apocalyptic number.

It is an amenable number.

40343303057 is a deficient number, since it is larger than the sum of its proper divisors (1).

40343303057 is an equidigital number, since it uses as much as digits as its factorization.

40343303057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 32.

The spelling of 40343303057 in words is "forty billion, three hundred forty-three million, three hundred three thousand, fifty-seven".