42404544546666 has 16 divisors (see below), whose sum is σ = 84809259741888. Its totient is φ = 14134819740800.

The previous prime is 42404544546601. The next prime is 42404544546677. The reversal of 42404544546666 is 66664544540424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3758430 + ... + 9946601.

It is an arithmetic number, because the mean of its divisors is an integer number (5300578733868).

Almost surely, 2^{42404544546666} is an apocalyptic number.

42404544546666 is an abundant number, since it is smaller than the sum of its proper divisors (42404715195222).

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

42404544546666 is a wasteful number, since it uses less digits than its factorization.

42404544546666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14220717.

The product of its (nonzero) digits is 265420800, while the sum is 60.

The spelling of 42404544546666 in words is "forty-two trillion, four hundred four billion, five hundred forty-four million, five hundred forty-six thousand, six hundred sixty-six".