228240939089856 has 448 divisors, whose sum is σ = 763213238599680. Its totient is φ = 58472735293440.

The previous prime is 228240939089831. The next prime is 228240939089869. The reversal of 228240939089856 is 658980939042822.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1140973461 + ... + 1141173483.

Almost surely, 2^{228240939089856} 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 228240939089856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381606619299840).

228240939089856 is an abundant number, since it is smaller than the sum of its proper divisors (534972299509824).

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

228240939089856 is a wasteful number, since it uses less digits than its factorization.

228240939089856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201112 (or 201102 counting only the distinct ones).

The product of its (nonzero) digits is 1074954240, while the sum is 75.

The spelling of 228240939089856 in words is "two hundred twenty-eight trillion, two hundred forty billion, nine hundred thirty-nine million, eighty-nine thousand, eight hundred fifty-six".