42016430056 has 8 divisors (see below), whose sum is σ = 78780806370. Its totient is φ = 21008215024.

The previous prime is 42016430011. The next prime is 42016430077. The reversal of 42016430056 is 65003461024.

It can be written as a sum of positive squares in only one way, i.e., 35582785956 + 6433644100 = 188634^2 + 80210^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626026871 + ... + 2626026886.

Almost surely, 2^42016430056 is an apocalyptic number.

It is an amenable number.

42016430056 is a deficient number, since it is larger than the sum of its proper divisors (36764376314).

42016430056 is a wasteful number, since it uses less digits than its factorization.

42016430056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252053763 (or 5252053759 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 42016430056 in words is "forty-two billion, sixteen million, four hundred thirty thousand, fifty-six".