228655276738560 has 768 divisors, whose sum is σ = 934045603545600. Its totient is φ = 51975231897600.

The previous prime is 228655276738519. The next prime is 228655276738571. The reversal of 228655276738560 is 65837672556822.

228655276738560 is a `hidden beast` number, since 2 + 2 + 8 + 6 + 5 + 5 + 27 + 6 + 7 + 38 + 560 = 666.

228655276738560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (768).

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 63 ways as a sum of consecutive naturals, for example, 349973790 + ... + 350626530.

It is an arithmetic number, because the mean of its divisors is an integer number (1216205212950).

Almost surely, 2^{228655276738560} is an apocalyptic number.

228655276738560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228655276738560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467022801772800).

228655276738560 is an abundant number, since it is smaller than the sum of its proper divisors (705390326807040).

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

228655276738560 is a wasteful number, since it uses less digits than its factorization.

228655276738560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652965 (or 652939 counting only the distinct ones).

The product of its (nonzero) digits is 2032128000, while the sum is 72.

The spelling of 228655276738560 in words is "two hundred twenty-eight trillion, six hundred fifty-five billion, two hundred seventy-six million, seven hundred thirty-eight thousand, five hundred sixty".