42247192466 has 8 divisors (see below), whose sum is σ = 63371869884. Its totient is φ = 21123235840.

The previous prime is 42247192459. The next prime is 42247192469. The reversal of 42247192466 is 66429174224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37994196241 + 4252996225 = 194921^2 + 65215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42247192466² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42247192466.

It is not an unprimeable number, because it can be changed into a prime (42247192469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3986 + ... + 290706.

Almost surely, 2^42247192466 is an apocalyptic number.

42247192466 is a deficient number, since it is larger than the sum of its proper divisors (21124677418).

42247192466 is a wasteful number, since it uses less digits than its factorization.

42247192466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360396.

The product of its digits is 1161216, while the sum is 47.

The spelling of 42247192466 in words is "forty-two billion, two hundred forty-seven million, one hundred ninety-two thousand, four hundred sixty-six".