228630735872 has 352 divisors, whose sum is σ = 606476906496. Its totient is φ = 83401113600.

The previous prime is 228630735863. The next prime is 228630735929. The reversal of 228630735872 is 278537036822.

It is a tau number, because it is divible by the number of its divisors (352).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376656593 + ... + 376657199.

Almost surely, 2^228630735872 is an apocalyptic number.

228630735872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228630735872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303238453248).

228630735872 is an abundant number, since it is smaller than the sum of its proper divisors (377846170624).

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

228630735872 is a wasteful number, since it uses less digits than its factorization.

228630735872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 228630735872 in words is "two hundred twenty-eight billion, six hundred thirty million, seven hundred thirty-five thousand, eight hundred seventy-two".