42881650956 has 18 divisors (see below), whose sum is σ = 108395284452. Its totient is φ = 14293883640.

The previous prime is 42881650949. The next prime is 42881650997. The reversal of 42881650956 is 65905618824.

42881650956 is a `hidden beast` number, since 4 + 2 + 8 + 81 + 6 + 509 + 56 = 666.

42881650956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595578450 + ... + 595578521.

Almost surely, 2^42881650956 is an apocalyptic number.

It is an amenable number.

42881650956 is an abundant number, since it is smaller than the sum of its proper divisors (65513633496).

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

42881650956 is a wasteful number, since it uses less digits than its factorization.

42881650956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191156981 (or 1191156976 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 42881650956 in words is "forty-two billion, eight hundred eighty-one million, six hundred fifty thousand, nine hundred fifty-six".