28103260984480 has 192 divisors, whose sum is σ = 72688405708800. Its totient is φ = 10182933713920.

The previous prime is 28103260984459. The next prime is 28103260984493. The reversal of 28103260984480 is 8448906230182.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 636388641 + ... + 636432799.

It is an arithmetic number, because the mean of its divisors is an integer number (378585446400).

Almost surely, 2^{28103260984480} is an apocalyptic number.

28103260984480 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 28103260984480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36344202854400).

28103260984480 is an abundant number, since it is smaller than the sum of its proper divisors (44585144724320).

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

28103260984480 is a wasteful number, since it uses less digits than its factorization.

28103260984480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45467 (or 45459 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 28103260984480 in words is "twenty-eight trillion, one hundred three billion, two hundred sixty million, nine hundred eighty-four thousand, four hundred eighty".