228764563460 has 12 divisors (see below), whose sum is σ = 480405583308. Its totient is φ = 91505825376.

The previous prime is 228764563453. The next prime is 228764563463. The reversal of 228764563460 is 64365467822.

It can be written as a sum of positive squares in 2 ways, for example, as 150418314244 + 78346249216 = 387838^2 + 279904^2 .

It is not an unprimeable number, because it can be changed into a prime (228764563463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5719114067 + ... + 5719114106.

It is an arithmetic number, because the mean of its divisors is an integer number (40033798609).

Almost surely, 2^228764563460 is an apocalyptic number.

228764563460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228764563460 is an abundant number, since it is smaller than the sum of its proper divisors (251641019848).

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

228764563460 is a wasteful number, since it uses less digits than its factorization.

228764563460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438228182 (or 11438228180 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 228764563460 in words is "two hundred twenty-eight billion, seven hundred sixty-four million, five hundred sixty-three thousand, four hundred sixty".