28054388736 has 456 divisors, whose sum is σ = 94220665344. Its totient is φ = 7958691840.

The previous prime is 28054388729. The next prime is 28054388749. The reversal of 28054388736 is 63788345082.

28054388736 is a `hidden beast` number, since 28 + 0 + 543 + 8 + 8 + 73 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 596901865 + ... + 596901911.

Almost surely, 2^28054388736 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 28054388736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47110332672).

28054388736 is an abundant number, since it is smaller than the sum of its proper divisors (66166276608).

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

28054388736 is an equidigital number, since it uses as much as digits as its factorization.

28054388736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 28054388736 in words is "twenty-eight billion, fifty-four million, three hundred eighty-eight thousand, seven hundred thirty-six".