42404066663 has 8 divisors (see below), whose sum is σ = 48463144320. Its totient is φ = 36345327480.

The previous prime is 42404066659. The next prime is 42404066669. The reversal of 42404066663 is 36666040424.

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

It is not a de Polignac number, because 42404066663 - 2² = 42404066659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42404066663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404066669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301028 + ... + 418838.

It is an arithmetic number, because the mean of its divisors is an integer number (6057893040).

Almost surely, 2^42404066663 is an apocalyptic number.

42404066663 is a deficient number, since it is larger than the sum of its proper divisors (6059077657).

42404066663 is a wasteful number, since it uses less digits than its factorization.

42404066663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169237.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 42404066663 in words is "forty-two billion, four hundred four million, sixty-six thousand, six hundred sixty-three".