42240264520567 has 2 divisors, whose sum is σ = 42240264520568. Its totient is φ = 42240264520566.

The previous prime is 42240264520453. The next prime is 42240264520703. The reversal of 42240264520567 is 76502546204224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42240264520567 - 2⁷ = 42240264520439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42240264520567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42240244520567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21120132260283 + 21120132260284.

It is an arithmetic number, because the mean of its divisors is an integer number (21120132260284).

Almost surely, 2^{42240264520567} is an apocalyptic number.

42240264520567 is a deficient number, since it is larger than the sum of its proper divisors (1).

42240264520567 is an equidigital number, since it uses as much as digits as its factorization.

42240264520567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 49.

The spelling of 42240264520567 in words is "forty-two trillion, two hundred forty billion, two hundred sixty-four million, five hundred twenty thousand, five hundred sixty-seven".