42000446566 has 32 divisors (see below), whose sum is σ = 68840368128. Its totient is φ = 19102870560.

The previous prime is 42000446563. The next prime is 42000446567. The reversal of 42000446566 is 66564400024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000446563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491841 + ... + 570883.

It is an arithmetic number, because the mean of its divisors is an integer number (2151261504).

Almost surely, 2^42000446566 is an apocalyptic number.

42000446566 is a deficient number, since it is larger than the sum of its proper divisors (26839921562).

42000446566 is a wasteful number, since it uses less digits than its factorization.

42000446566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79356.

The product of its (nonzero) digits is 138240, while the sum is 37.

It can be divided in two parts, 42000 and 446566, that added together give a triangular number (488566 = T₉₈₈).

The spelling of 42000446566 in words is "forty-two billion, four hundred forty-six thousand, five hundred sixty-six".