42066006605 has 32 divisors (see below), whose sum is σ = 59666178048. Its totient is φ = 27861019200.

The previous prime is 42066006583. The next prime is 42066006611. The reversal of 42066006605 is 50660066024.

It is not a de Polignac number, because 42066006605 - 2¹² = 42066002509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530390 + ... + 604520.

It is an arithmetic number, because the mean of its divisors is an integer number (1864568064).

Almost surely, 2^42066006605 is an apocalyptic number.

It is an amenable number.

42066006605 is a deficient number, since it is larger than the sum of its proper divisors (17600171443).

42066006605 is a wasteful number, since it uses less digits than its factorization.

42066006605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74697.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 42066006605 in words is "forty-two billion, sixty-six million, six thousand, six hundred five".