6406800228 has 72 divisors (see below), whose sum is σ = 17301895520. Its totient is φ = 1992988800.

The previous prime is 6406800227. The next prime is 6406800289. The reversal of 6406800228 is 8220086046.

6406800228 is a `hidden beast` number, since 640 + 6 + 8 + 0 + 0 + 2 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6406800192 and 6406800201.

It is not an unprimeable number, because it can be changed into a prime (6406800227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24073 + ... + 115728.

Almost surely, 2^6406800228 is an apocalyptic number.

It is an amenable number.

6406800228 is an abundant number, since it is smaller than the sum of its proper divisors (10895095292).

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

6406800228 is a wasteful number, since it uses less digits than its factorization.

6406800228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139897 (or 139892 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 6406800228 is about 80042.4901411744. The cubic root of 6406800228 is about 1857.2928811472.

The spelling of 6406800228 in words is "six billion, four hundred six million, eight hundred thousand, two hundred twenty-eight".