28469415712380 has 192 divisors, whose sum is σ = 81779404654080. Its totient is φ = 7397812629504.

The previous prime is 28469415712343. The next prime is 28469415712399. The reversal of 28469415712380 is 8321751496482.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 500110599 + ... + 500167521.

It is an arithmetic number, because the mean of its divisors is an integer number (425934399240).

It is a 2-persistent number, because it is pandigital, and so is 2⋅28469415712380 = 56938831424760, but 3⋅28469415712380 = 85408247137140 is not.

Almost surely, 2^{28469415712380} is an apocalyptic number.

28469415712380 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 28469415712380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40889702327040).

28469415712380 is an abundant number, since it is smaller than the sum of its proper divisors (53309988941700).

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

28469415712380 is a wasteful number, since it uses less digits than its factorization.

28469415712380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58380 (or 58378 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 28469415712380 in words is "twenty-eight trillion, four hundred sixty-nine billion, four hundred fifteen million, seven hundred twelve thousand, three hundred eighty".