28233664470 has 192 divisors, whose sum is σ = 83358332928. Its totient is φ = 6622862400.

The previous prime is 28233664427. The next prime is 28233664477. The reversal of 28233664470 is 7446633282.

28233664470 is a `hidden beast` number, since 282 + 3 + 366 + 4 + 4 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28233664477) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3709689 + ... + 3717291.

It is an arithmetic number, because the mean of its divisors is an integer number (434157984).

Almost surely, 2^28233664470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28233664470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41679166464).

28233664470 is an abundant number, since it is smaller than the sum of its proper divisors (55124668458).

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

28233664470 is a wasteful number, since it uses less digits than its factorization.

28233664470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680 (or 7655 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 28233664470 in words is "twenty-eight billion, two hundred thirty-three million, six hundred sixty-four thousand, four hundred seventy".