42645522267 has 12 divisors (see below), whose sum is σ = 61604698584. Its totient is φ = 28427758560.

The previous prime is 42645522253. The next prime is 42645522313. The reversal of 42645522267 is 76222554624.

It is a happy number.

42645522267 is a `hidden beast` number, since 4 + 2 + 64 + 5 + 522 + 2 + 67 = 666.

It is not a de Polignac number, because 42645522267 - 2⁴ = 42645522251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42645522467) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 108709 + ... + 311622.

It is an arithmetic number, because the mean of its divisors is an integer number (5133724882).

Almost surely, 2^42645522267 is an apocalyptic number.

42645522267 is a deficient number, since it is larger than the sum of its proper divisors (18959176317).

42645522267 is a wasteful number, since it uses less digits than its factorization.

42645522267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431610 (or 431607 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The spelling of 42645522267 in words is "forty-two billion, six hundred forty-five million, five hundred twenty-two thousand, two hundred sixty-seven".