228628633072 has 40 divisors (see below), whose sum is σ = 523705989600. Its totient is φ = 94604950272.

The previous prime is 228628633067. The next prime is 228628633109. The reversal of 228628633072 is 270336826822.

228628633072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 35192047 + ... + 35198542.

It is an arithmetic number, because the mean of its divisors is an integer number (13092649740).

Almost surely, 2^228628633072 is an apocalyptic number.

It is an amenable number.

228628633072 is an abundant number, since it is smaller than the sum of its proper divisors (295077356528).

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

228628633072 is a wasteful number, since it uses less digits than its factorization.

228628633072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70390633 (or 70390627 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 228628633072 in words is "two hundred twenty-eight billion, six hundred twenty-eight million, six hundred thirty-three thousand, seventy-two".