6418404228 has 12 divisors (see below), whose sum is σ = 14976276560. Its totient is φ = 2139468072.

The previous prime is 6418404221. The next prime is 6418404229. The reversal of 6418404228 is 8224048146.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×6418404228³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6418404221) 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, 267433498 + ... + 267433521.

Almost surely, 2^6418404228 is an apocalyptic number.

It is an amenable number.

6418404228 is an abundant number, since it is smaller than the sum of its proper divisors (8557872332).

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

6418404228 is a wasteful number, since it uses less digits than its factorization.

6418404228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534867026 (or 534867024 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 6418404228 is about 80114.9438494467. The cubic root of 6418404228 is about 1858.4135148085.

The spelling of 6418404228 in words is "six billion, four hundred eighteen million, four hundred four thousand, two hundred twenty-eight".