40822347257 has 2 divisors, whose sum is σ = 40822347258. Its totient is φ = 40822347256.

The previous prime is 40822347233. The next prime is 40822347281. The reversal of 40822347257 is 75274322804.

40822347257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (40822347233) and next prime (40822347281).

It can be written as a sum of positive squares in only one way, i.e., 33698312041 + 7124035216 = 183571^2 + 84404^2 .

It is a cyclic number.

It is not a de Polignac number, because 40822347257 - 2⁶ = 40822347193 is a prime.

It is not a weakly prime, because it can be changed into another prime (40822347557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20411173628 + 20411173629.

It is an arithmetic number, because the mean of its divisors is an integer number (20411173629).

Almost surely, 2^40822347257 is an apocalyptic number.

It is an amenable number.

40822347257 is a deficient number, since it is larger than the sum of its proper divisors (1).

40822347257 is an equidigital number, since it uses as much as digits as its factorization.

40822347257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 40822347257 in words is "forty billion, eight hundred twenty-two million, three hundred forty-seven thousand, two hundred fifty-seven".