228903579072 has 280 divisors, whose sum is σ = 821094953184. Its totient is φ = 61553737728.

The previous prime is 228903579049. The next prime is 228903579083. The reversal of 228903579072 is 270975309822.

228903579072 is a `hidden beast` number, since 2 + 289 + 0 + 357 + 9 + 0 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 431368 + ... + 802424.

Almost surely, 2^228903579072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228903579072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410547476592).

228903579072 is an abundant number, since it is smaller than the sum of its proper divisors (592191374112).

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

228903579072 is a wasteful number, since it uses less digits than its factorization.

228903579072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371105 (or 371086 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 228903579072 in words is "two hundred twenty-eight billion, nine hundred three million, five hundred seventy-nine thousand, seventy-two".