42856252468 has 12 divisors (see below), whose sum is σ = 75699362592. Its totient is φ = 21227863160.

The previous prime is 42856252451. The next prime is 42856252469. The reversal of 42856252468 is 86425265824.

42856252468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42856252469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50065288 + ... + 50066143.

It is an arithmetic number, because the mean of its divisors is an integer number (6308280216).

Almost surely, 2^42856252468 is an apocalyptic number.

It is an amenable number.

42856252468 is a deficient number, since it is larger than the sum of its proper divisors (32843110124).

42856252468 is a wasteful number, since it uses less digits than its factorization.

42856252468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100131542 (or 100131540 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 52.

The spelling of 42856252468 in words is "forty-two billion, eight hundred fifty-six million, two hundred fifty-two thousand, four hundred sixty-eight".