28454182080 has 224 divisors, whose sum is σ = 93224908800. Its totient is φ = 7349342208.

The previous prime is 28454182033. The next prime is 28454182087. The reversal of 28454182080 is 8028145482.

It is not an unprimeable number, because it can be changed into a prime (28454182087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4015981 + ... + 4023059.

Almost surely, 2^28454182080 is an apocalyptic number.

28454182080 is a gapful number since it is divisible by the number (20) 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 28454182080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46612454400).

28454182080 is an abundant number, since it is smaller than the sum of its proper divisors (64770726720).

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

28454182080 is a wasteful number, since it uses less digits than its factorization.

28454182080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231 (or 7221 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 28454182080 in words is "twenty-eight billion, four hundred fifty-four million, one hundred eighty-two thousand, eighty".