42646712418 has 12 divisors (see below), whose sum is σ = 92401210278. Its totient is φ = 14215570800.

The previous prime is 42646712417. The next prime is 42646712429. The reversal of 42646712418 is 81421764624.

42646712418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42155070489 + 491641929 = 205317^2 + 22173^2 .

It is not an unprimeable number, because it can be changed into a prime (42646712417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1184630883 + ... + 1184630918.

Almost surely, 2^42646712418 is an apocalyptic number.

42646712418 is an abundant number, since it is smaller than the sum of its proper divisors (49754497860).

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

42646712418 is a wasteful number, since it uses less digits than its factorization.

42646712418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369261809 (or 2369261806 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The spelling of 42646712418 in words is "forty-two billion, six hundred forty-six million, seven hundred twelve thousand, four hundred eighteen".