227688399480 has 256 divisors, whose sum is σ = 730993766400. Its totient is φ = 56609280000.

The previous prime is 227688399479. The next prime is 227688399527. The reversal of 227688399480 is 84993886722.

It is a congruent number.

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, 56203455 + ... + 56207505.

It is an arithmetic number, because the mean of its divisors is an integer number (2855444400).

Almost surely, 2^227688399480 is an apocalyptic number.

227688399480 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 227688399480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365496883200).

227688399480 is an abundant number, since it is smaller than the sum of its proper divisors (503305366920).

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

227688399480 is a wasteful number, since it uses less digits than its factorization.

227688399480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 66.

It can be divided in two parts, 22768 and 8399480, that added together give a palindrome (8422248).

The spelling of 227688399480 in words is "two hundred twenty-seven billion, six hundred eighty-eight million, three hundred ninety-nine thousand, four hundred eighty".