42246520255 has 4 divisors (see below), whose sum is σ = 50695824312. Its totient is φ = 33797216200.

The previous prime is 42246520229. The next prime is 42246520271. The reversal of 42246520255 is 55202564224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42246520255 - 2⁹ = 42246519743 is a prime.

It is a super-2 number, since 2×42246520255² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4224652021 + ... + 4224652030.

It is an arithmetic number, because the mean of its divisors is an integer number (12673956078).

Almost surely, 2^42246520255 is an apocalyptic number.

42246520255 is a deficient number, since it is larger than the sum of its proper divisors (8449304057).

42246520255 is an equidigital number, since it uses as much as digits as its factorization.

42246520255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449304056.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 42246520255 in words is "forty-two billion, two hundred forty-six million, five hundred twenty thousand, two hundred fifty-five".