4180686642 has 32 divisors (see below), whose sum is σ = 10134999360. Its totient is φ = 1266874560.

The previous prime is 4180686619. The next prime is 4180686659. The reversal of 4180686642 is 2466860814.

4180686642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3518503 + ... + 3519690.

It is an arithmetic number, because the mean of its divisors is an integer number (316718730).

Almost surely, 2^4180686642 is an apocalyptic number.

4180686642 is an abundant number, since it is smaller than the sum of its proper divisors (5954312718).

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

4180686642 is a wasteful number, since it uses less digits than its factorization.

4180686642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038215 (or 7038209 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 4180686642 is about 64658.2294994226. The cubic root of 4180686642 is about 1610.9517721519.

The spelling of 4180686642 in words is "four billion, one hundred eighty million, six hundred eighty-six thousand, six hundred forty-two".