42275224665 has 48 divisors (see below), whose sum is σ = 73757174400. Its totient is φ = 22399453440.

The previous prime is 42275224639. The next prime is 42275224699. The reversal of 42275224665 is 56642257224.

It is a happy number.

42275224665 is a `hidden beast` number, since 4 + 2 + 27 + 522 + 46 + 65 = 666.

It is not a de Polignac number, because 42275224665 - 2²³ = 42266836057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42275224665.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5683789 + ... + 5691221.

It is an arithmetic number, because the mean of its divisors is an integer number (1536607800).

Almost surely, 2^42275224665 is an apocalyptic number.

42275224665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42275224665 is a deficient number, since it is larger than the sum of its proper divisors (31481949735).

42275224665 is a wasteful number, since it uses less digits than its factorization.

42275224665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254 (or 8251 counting only the distinct ones).

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

The spelling of 42275224665 in words is "forty-two billion, two hundred seventy-five million, two hundred twenty-four thousand, six hundred sixty-five".