28362289460 has 48 divisors (see below), whose sum is σ = 62259829632. Its totient is φ = 10832553600.

The previous prime is 28362289441. The next prime is 28362289481. The reversal of 28362289460 is 6498226382.

It is a junction number, because it is equal to n+sod(n) for n = 28362289399 and 28362289408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208670 + ... + 316650.

It is an arithmetic number, because the mean of its divisors is an integer number (1297079784).

Almost surely, 2^28362289460 is an apocalyptic number.

28362289460 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 28362289460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31129914816).

28362289460 is an abundant number, since it is smaller than the sum of its proper divisors (33897540172).

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

28362289460 is a wasteful number, since it uses less digits than its factorization.

28362289460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108584 (or 108582 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 28362289460 in words is "twenty-eight billion, three hundred sixty-two million, two hundred eighty-nine thousand, four hundred sixty".