28484882660224 has 64 divisors (see below), whose sum is σ = 57222230919840. Its totient is φ = 14123585488896.

The previous prime is 28484882660183. The next prime is 28484882660263. The reversal of 28484882660224 is 42206628848482.

It is a happy number.

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

It is a super-2 number, since 2×28484882660224² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (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, 8699302 + ... + 11517274.

Almost surely, 2^{28484882660224} 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 28484882660224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28611115459920).

28484882660224 is an abundant number, since it is smaller than the sum of its proper divisors (28737348259616).

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

28484882660224 is a wasteful number, since it uses less digits than its factorization.

28484882660224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818647 (or 2818635 counting only the distinct ones).

The product of its (nonzero) digits is 150994944, while the sum is 64.

The spelling of 28484882660224 in words is "twenty-eight trillion, four hundred eighty-four billion, eight hundred eighty-two million, six hundred sixty thousand, two hundred twenty-four".