28381679260 has 48 divisors (see below), whose sum is σ = 65155829760. Its totient is φ = 10299026240.

The previous prime is 28381679257. The next prime is 28381679323. The reversal of 28381679260 is 6297618382.

It is a junction number, because it is equal to n+sod(n) for n = 28381679198 and 28381679207.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 29284 + ... + 240043.

It is an arithmetic number, because the mean of its divisors is an integer number (1357413120).

Almost surely, 2^28381679260 is an apocalyptic number.

28381679260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28381679260 is an abundant number, since it is smaller than the sum of its proper divisors (36774150500).

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

28381679260 is a wasteful number, since it uses less digits than its factorization.

28381679260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269826 (or 269824 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 28381679260 in words is "twenty-eight billion, three hundred eighty-one million, six hundred seventy-nine thousand, two hundred sixty".