42341745618 has 24 divisors (see below), whose sum is σ = 92097425628. Its totient is φ = 14058995712.

The previous prime is 42341745617. The next prime is 42341745659. The reversal of 42341745618 is 81654714324.

42341745618 is a `hidden beast` number, since 4 + 23 + 4 + 1 + 7 + 4 + 5 + 618 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34964138169 + 7377607449 = 186987^2 + 85893^2 .

It is not an unprimeable number, because it can be changed into a prime (42341745617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4571871 + ... + 4581122.

Almost surely, 2^42341745618 is an apocalyptic number.

42341745618 is an abundant number, since it is smaller than the sum of its proper divisors (49755680010).

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

42341745618 is a wasteful number, since it uses less digits than its factorization.

42341745618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153258 (or 9153255 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 42341745618 in words is "forty-two billion, three hundred forty-one million, seven hundred forty-five thousand, six hundred eighteen".