40447342034377 has 2 divisors, whose sum is σ = 40447342034378. Its totient is φ = 40447342034376.

The previous prime is 40447342034287. The next prime is 40447342034383. The reversal of 40447342034377 is 77343024374404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37712912695056 + 2734429339321 = 6141084^2 + 1653611^2 .

It is a cyclic number.

It is not a de Polignac number, because 40447342034377 - 2⁴³ = 31651249012169 is a prime.

It is not a weakly prime, because it can be changed into another prime (40447342031377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20223671017188 + 20223671017189.

It is an arithmetic number, because the mean of its divisors is an integer number (20223671017189).

Almost surely, 2^{40447342034377} is an apocalyptic number.

It is an amenable number.

40447342034377 is a deficient number, since it is larger than the sum of its proper divisors (1).

40447342034377 is an equidigital number, since it uses as much as digits as its factorization.

40447342034377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18966528, while the sum is 52.

The spelling of 40447342034377 in words is "forty trillion, four hundred forty-seven billion, three hundred forty-two million, thirty-four thousand, three hundred seventy-seven".