228389120954496 has 320 divisors, whose sum is σ = 684472046528160. Its totient is φ = 75595045478400.

The previous prime is 228389120954473. The next prime is 228389120954563. The reversal of 228389120954496 is 694459021983822.

228389120954496 is a `hidden beast` number, since 2 + 2 + 8 + 3 + 8 + 9 + 120 + 9 + 5 + 4 + 496 = 666.

It is a super-2 number, since 2×228389120954496² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 866913031 + ... + 867176441.

Almost surely, 2^{228389120954496} 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 228389120954496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342236023264080).

228389120954496 is an abundant number, since it is smaller than the sum of its proper divisors (456082925573664).

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

228389120954496 is a wasteful number, since it uses less digits than its factorization.

228389120954496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264025 (or 264004 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 72.

The spelling of 228389120954496 in words is "two hundred twenty-eight trillion, three hundred eighty-nine billion, one hundred twenty million, nine hundred fifty-four thousand, four hundred ninety-six".