42771660356 has 24 divisors (see below), whose sum is σ = 74998949760. Its totient is φ = 21343423712.

The previous prime is 42771660353. The next prime is 42771660413. The reversal of 42771660356 is 65306617724.

It is a self number, because there is not a number n which added to its sum of digits gives 42771660356.

It is not an unprimeable number, because it can be changed into a prime (42771660353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9581381 + ... + 9585843.

It is an arithmetic number, because the mean of its divisors is an integer number (3124956240).

Almost surely, 2^42771660356 is an apocalyptic number.

It is an amenable number.

42771660356 is a deficient number, since it is larger than the sum of its proper divisors (32227289404).

42771660356 is a wasteful number, since it uses less digits than its factorization.

42771660356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8683 (or 8681 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 42771660356 in words is "forty-two billion, seven hundred seventy-one million, six hundred sixty thousand, three hundred fifty-six".