28675348140 has 48 divisors (see below), whose sum is σ = 80316859392. Its totient is φ = 7644294336.

The previous prime is 28675348139. The next prime is 28675348181. The reversal of 28675348140 is 4184357682.

It is a self number, because there is not a number n which added to its sum of digits gives 28675348140.

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, 114567 + ... + 265473.

It is an arithmetic number, because the mean of its divisors is an integer number (1673267904).

Almost surely, 2^28675348140 is an apocalyptic number.

28675348140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28675348140 is an abundant number, since it is smaller than the sum of its proper divisors (51641511252).

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

28675348140 is a wasteful number, since it uses less digits than its factorization.

28675348140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154086 (or 154084 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 28675348140 in words is "twenty-eight billion, six hundred seventy-five million, three hundred forty-eight thousand, one hundred forty".