42666141802 has 8 divisors (see below), whose sum is σ = 64000114596. Its totient is φ = 21332770272.

The previous prime is 42666141787. The next prime is 42666141811. The reversal of 42666141802 is 20814166624.

It can be written as a sum of positive squares in 2 ways, for example, as 39664307281 + 3001834521 = 199159^2 + 54789^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136678 + ... + 322510.

Almost surely, 2^42666141802 is an apocalyptic number.

42666141802 is a deficient number, since it is larger than the sum of its proper divisors (21333972794).

42666141802 is a wasteful number, since it uses less digits than its factorization.

42666141802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300632.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 42666141802 in words is "forty-two billion, six hundred sixty-six million, one hundred forty-one thousand, eight hundred two".