228446767488 has 64 divisors (see below), whose sum is σ = 606964158000. Its totient is φ = 76129794048.

The previous prime is 228446767477. The next prime is 228446767531. The reversal of 228446767488 is 884767644822.

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, 1499038 + ... + 1644386.

Almost surely, 2^228446767488 is an apocalyptic number.

It is an amenable number.

228446767488 is an abundant number, since it is smaller than the sum of its proper divisors (378517390512).

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

228446767488 is a wasteful number, since it uses less digits than its factorization.

228446767488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149459 (or 149447 counting only the distinct ones).

The product of its digits is 231211008, while the sum is 66.

The spelling of 228446767488 in words is "two hundred twenty-eight billion, four hundred forty-six million, seven hundred sixty-seven thousand, four hundred eighty-eight".