28568462472 has 384 divisors, whose sum is σ = 93405312000. Its totient is φ = 7786437120.

The previous prime is 28568462441. The next prime is 28568462501. The reversal of 28568462472 is 27426486582.

28568462472 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 8 + 4 + 624 + 7 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68182279 + ... + 68182697.

It is an arithmetic number, because the mean of its divisors is an integer number (243243000).

Almost surely, 2^28568462472 is an apocalyptic number.

28568462472 is a gapful number since it is divisible by the number (22) 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 28568462472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46702656000).

28568462472 is an abundant number, since it is smaller than the sum of its proper divisors (64836849528).

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

28568462472 is a wasteful number, since it uses less digits than its factorization.

28568462472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 674 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 54.

The spelling of 28568462472 in words is "twenty-eight billion, five hundred sixty-eight million, four hundred sixty-two thousand, four hundred seventy-two".