42943411656 has 160 divisors (see below), whose sum is σ = 123738278400. Its totient is φ = 13906650240.

The previous prime is 42943411607. The next prime is 42943411691. The reversal of 42943411656 is 65611434924.

42943411656 is a `hidden beast` number, since 4 + 294 + 341 + 16 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5317990 + ... + 5326058.

It is an arithmetic number, because the mean of its divisors is an integer number (773364240).

Almost surely, 2^42943411656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42943411656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61869139200).

42943411656 is an abundant number, since it is smaller than the sum of its proper divisors (80794866744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42943411656 is a wasteful number, since it uses less digits than its factorization.

42943411656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321 (or 8308 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 42943411656 in words is "forty-two billion, nine hundred forty-three million, four hundred eleven thousand, six hundred fifty-six".