228751850815488 has 5040 divisors, whose sum is σ = 990318397815936. Its totient is φ = 50978629877760.

The previous prime is 228751850815471. The next prime is 228751850815493. The reversal of 228751850815488 is 884518058157822.

228751850815488 is a `hidden beast` number, since 2 + 2 + 8 + 7 + 5 + 18 + 50 + 81 + 5 + 488 = 666.

It is a super-2 number, since 2×228751850815488² (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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 4316072656870 + ... + 4316072656922.

Almost surely, 2^{228751850815488} is an apocalyptic number.

228751850815488 is a gapful number since it is divisible by the number (28) 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 228751850815488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495159198907968).

228751850815488 is an abundant number, since it is smaller than the sum of its proper divisors (761566547000448).

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

228751850815488 is an equidigital number, since it uses as much as digits as its factorization.

228751850815488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 458752000, while the sum is 72.

The spelling of 228751850815488 in words is "two hundred twenty-eight trillion, seven hundred fifty-one billion, eight hundred fifty million, eight hundred fifteen thousand, four hundred eighty-eight".