42543156416 has 28 divisors (see below), whose sum is σ = 84435406440. Its totient is φ = 21268093440.

The previous prime is 42543156379. The next prime is 42543156437. The reversal of 42543156416 is 61465134524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364220 + ... + 466628.

It is an arithmetic number, because the mean of its divisors is an integer number (3015550230).

Almost surely, 2^42543156416 is an apocalyptic number.

It is an amenable number.

42543156416 is a deficient number, since it is larger than the sum of its proper divisors (41892250024).

42543156416 is a wasteful number, since it uses less digits than its factorization.

42543156416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108912 (or 108902 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The spelling of 42543156416 in words is "forty-two billion, five hundred forty-three million, one hundred fifty-six thousand, four hundred sixteen".