228064064488 has 64 divisors (see below), whose sum is σ = 471133071360. Its totient is φ = 102840938496.

The previous prime is 228064064483. The next prime is 228064064497. The reversal of 228064064488 is 884460460822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (228064064483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2779945 + ... + 2860807.

It is an arithmetic number, because the mean of its divisors is an integer number (7361454240).

Almost surely, 2^228064064488 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 228064064488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235566535680).

228064064488 is an abundant number, since it is smaller than the sum of its proper divisors (243069006872).

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

228064064488 is a wasteful number, since it uses less digits than its factorization.

228064064488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81506 (or 81502 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

The spelling of 228064064488 in words is "two hundred twenty-eight billion, sixty-four million, sixty-four thousand, four hundred eighty-eight".