228617640466304 has 64 divisors (see below), whose sum is σ = 458887529365440. Its totient is φ = 113447575627776.

The previous prime is 228617640466249. The next prime is 228617640466331. The reversal of 228617640466304 is 403664046716822.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10473497 + ... + 23810279.

It is an arithmetic number, because the mean of its divisors is an integer number (7170117646335).

Almost surely, 2^{228617640466304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228617640466304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229443764682720).

228617640466304 is an abundant number, since it is smaller than the sum of its proper divisors (230269888899136).

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

228617640466304 is a wasteful number, since it uses less digits than its factorization.

228617640466304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13337807 (or 13337795 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 59.

The spelling of 228617640466304 in words is "two hundred twenty-eight trillion, six hundred seventeen billion, six hundred forty million, four hundred sixty-six thousand, three hundred four".