42447076566 has 16 divisors (see below), whose sum is σ = 84899538288. Its totient is φ = 14148128000.

The previous prime is 42447076481. The next prime is 42447076663. The reversal of 42447076566 is 66567074424.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118035 + ... + 314366.

It is an arithmetic number, because the mean of its divisors is an integer number (5306221143).

Almost surely, 2^42447076566 is an apocalyptic number.

42447076566 is an abundant number, since it is smaller than the sum of its proper divisors (42452461722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42447076566 is a wasteful number, since it uses less digits than its factorization.

42447076566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448767.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 42447076566 in words is "forty-two billion, four hundred forty-seven million, seventy-six thousand, five hundred sixty-six".