228438844047360 has 816 divisors, whose sum is σ = 824289845005536. Its totient is φ = 60691247529984.

The previous prime is 228438844047347. The next prime is 228438844047371. The reversal of 228438844047360 is 63740448834822.

It is a happy number.

228438844047360 is a `hidden beast` number, since 2 + 2 + 8 + 43 + 8 + 84 + 40 + 473 + 6 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22056463302 + ... + 22056473658.

Almost surely, 2^{228438844047360} is an apocalyptic number.

228438844047360 is a gapful number since it is divisible by the number (20) 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 228438844047360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412144922502768).

228438844047360 is an abundant number, since it is smaller than the sum of its proper divisors (595851000958176).

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

228438844047360 is an frugal number, since it uses more digits than its factorization.

228438844047360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686 (or 10644 counting only the distinct ones).

The product of its (nonzero) digits is 198180864, while the sum is 63.

The spelling of 228438844047360 in words is "two hundred twenty-eight trillion, four hundred thirty-eight billion, eight hundred forty-four million, forty-seven thousand, three hundred sixty".