4018306672 has 20 divisors (see below), whose sum is σ = 7786537096. Its totient is φ = 2008877760.

The previous prime is 4018306661. The next prime is 4018306679. The reversal of 4018306672 is 2766038104.

It is a super-2 number, since 2×4018306672² = 32293577020479431168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4018306679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155647 + ... + 179617.

Almost surely, 2^4018306672 is an apocalyptic number.

It is an amenable number.

4018306672 is a deficient number, since it is larger than the sum of its proper divisors (3768230424).

4018306672 is a wasteful number, since it uses less digits than its factorization.

4018306672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34456 (or 34450 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 4018306672 is about 63390.1149391607. The cubic root of 4018306672 is about 1589.8190361402.

The spelling of 4018306672 in words is "four billion, eighteen million, three hundred six thousand, six hundred seventy-two".