42404066662 has 4 divisors (see below), whose sum is σ = 63606099996. Its totient is φ = 21202033330.

The previous prime is 42404066659. The next prime is 42404066669. The reversal of 42404066662 is 26666040424.

It is a semiprime because it is the product of two primes.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601016664 + ... + 10601016667.

It is an arithmetic number, because the mean of its divisors is an integer number (15901524999).

Almost surely, 2^42404066662 is an apocalyptic number.

42404066662 is a deficient number, since it is larger than the sum of its proper divisors (21202033334).

42404066662 is a wasteful number, since it uses less digits than its factorization.

42404066662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202033333.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 42404066662 in words is "forty-two billion, four hundred four million, sixty-six thousand, six hundred sixty-two".