228333979680 has 96 divisors (see below), whose sum is σ = 738691337664. Its totient is φ = 59243406336.

The previous prime is 228333979661. The next prime is 228333979691. The reversal of 228333979680 is 86979333822.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6410562 + ... + 6446081.

It is an arithmetic number, because the mean of its divisors is an integer number (7694701434).

Almost surely, 2^228333979680 is an apocalyptic number.

228333979680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228333979680 is an abundant number, since it is smaller than the sum of its proper divisors (510357357984).

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

228333979680 is a wasteful number, since it uses less digits than its factorization.

228333979680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12856698 (or 12856690 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 228333979680 in words is "two hundred twenty-eight billion, three hundred thirty-three million, nine hundred seventy-nine thousand, six hundred eighty".