42288418057 has 2 divisors, whose sum is σ = 42288418058. Its totient is φ = 42288418056.

The previous prime is 42288418043. The next prime is 42288418063. The reversal of 42288418057 is 75081488224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40183810681 + 2104607376 = 200459^2 + 45876^2 .

It is a cyclic number.

It is not a de Polignac number, because 42288418057 - 2³¹ = 40140934409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42288418057.

It is not a weakly prime, because it can be changed into another prime (42288418087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21144209028 + 21144209029.

It is an arithmetic number, because the mean of its divisors is an integer number (21144209029).

Almost surely, 2^42288418057 is an apocalyptic number.

It is an amenable number.

42288418057 is a deficient number, since it is larger than the sum of its proper divisors (1).

42288418057 is an equidigital number, since it uses as much as digits as its factorization.

42288418057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1146880, while the sum is 49.

The spelling of 42288418057 in words is "forty-two billion, two hundred eighty-eight million, four hundred eighteen thousand, fifty-seven".