40301320028257 has 2 divisors, whose sum is σ = 40301320028258. Its totient is φ = 40301320028256.

The previous prime is 40301320028201. The next prime is 40301320028261. The reversal of 40301320028257 is 75282002310304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39962740348881 + 338579679376 = 6321609^2 + 581876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40301320028257 is a prime.

It is not a weakly prime, because it can be changed into another prime (40301320028287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20150660014128 + 20150660014129.

It is an arithmetic number, because the mean of its divisors is an integer number (20150660014129).

Almost surely, 2^{40301320028257} is an apocalyptic number.

It is an amenable number.

40301320028257 is a deficient number, since it is larger than the sum of its proper divisors (1).

40301320028257 is an equidigital number, since it uses as much as digits as its factorization.

40301320028257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 40301320028257 in words is "forty trillion, three hundred one billion, three hundred twenty million, twenty-eight thousand, two hundred fifty-seven".