28420054080 has 672 divisors, whose sum is σ = 106372761600. Its totient is φ = 6404935680.

The previous prime is 28420054043. The next prime is 28420054111. The reversal of 28420054080 is 8045002482.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 174356079 + ... + 174356241.

It is an arithmetic number, because the mean of its divisors is an integer number (158292800).

Almost surely, 2^28420054080 is an apocalyptic number.

28420054080 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 28420054080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53186380800).

28420054080 is an abundant number, since it is smaller than the sum of its proper divisors (77952707520).

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

28420054080 is a wasteful number, since it uses less digits than its factorization.

28420054080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The spelling of 28420054080 in words is "twenty-eight billion, four hundred twenty million, fifty-four thousand, eighty".