42166044364 has 12 divisors (see below), whose sum is σ = 73840751488. Its totient is φ = 21068686800.

The previous prime is 42166044353. The next prime is 42166044413. The reversal of 42166044364 is 46344066124.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 3577227 + ... + 3588994.

Almost surely, 2^42166044364 is an apocalyptic number.

It is an amenable number.

42166044364 is a deficient number, since it is larger than the sum of its proper divisors (31674707124).

42166044364 is a wasteful number, since it uses less digits than its factorization.

42166044364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167696 (or 7167694 counting only the distinct ones).

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

The spelling of 42166044364 in words is "forty-two billion, one hundred sixty-six million, forty-four thousand, three hundred sixty-four".