42856597386 has 12 divisors (see below), whose sum is σ = 92855961042. Its totient is φ = 14285532456.

The previous prime is 42856597379. The next prime is 42856597397. The reversal of 42856597386 is 68379565824.

It is a happy number.

42856597386 is a `hidden beast` number, since 4 + 2 + 8 + 5 + 6 + 597 + 38 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25295312025 + 17561285361 = 159045^2 + 132519^2 .

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, 1190461021 + ... + 1190461056.

Almost surely, 2^42856597386 is an apocalyptic number.

42856597386 is an abundant number, since it is smaller than the sum of its proper divisors (49999363656).

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

42856597386 is a wasteful number, since it uses less digits than its factorization.

42856597386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380922085 (or 2380922082 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 42856597386 in words is "forty-two billion, eight hundred fifty-six million, five hundred ninety-seven thousand, three hundred eighty-six".