42816394328 has 8 divisors (see below), whose sum is σ = 80280739380. Its totient is φ = 21408197160.

The previous prime is 42816394307. The next prime is 42816394331. The reversal of 42816394328 is 82349361824.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2676024638 + ... + 2676024653.

Almost surely, 2^42816394328 is an apocalyptic number.

It is an amenable number.

42816394328 is a deficient number, since it is larger than the sum of its proper divisors (37464345052).

42816394328 is a wasteful number, since it uses less digits than its factorization.

42816394328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352049297 (or 5352049293 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The spelling of 42816394328 in words is "forty-two billion, eight hundred sixteen million, three hundred ninety-four thousand, three hundred twenty-eight".