228407899008 has 64 divisors (see below), whose sum is σ = 612274726800. Its totient is φ = 75437457408.

The previous prime is 228407899003. The next prime is 228407899009. The reversal of 228407899008 is 800998704822.

228407899008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228407899003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2686641 + ... + 2770352.

Almost surely, 2^228407899008 is an apocalyptic number.

It is an amenable number.

228407899008 is an abundant number, since it is smaller than the sum of its proper divisors (383866827792).

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

228407899008 is a wasteful number, since it uses less digits than its factorization.

228407899008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457119 (or 5457107 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 228407899008 in words is "two hundred twenty-eight billion, four hundred seven million, eight hundred ninety-nine thousand, eight".