28635394260 has 48 divisors (see below), whose sum is σ = 87468115392. Its totient is φ = 6941913600.

The previous prime is 28635394237. The next prime is 28635394313. The reversal of 28635394260 is 6249353682.

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, 21692821 + ... + 21694140.

It is an arithmetic number, because the mean of its divisors is an integer number (1822252404).

Almost surely, 2^28635394260 is an apocalyptic number.

28635394260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28635394260 is an abundant number, since it is smaller than the sum of its proper divisors (58832721132).

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

28635394260 is a wasteful number, since it uses less digits than its factorization.

28635394260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43386984 (or 43386982 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 28635394260 in words is "twenty-eight billion, six hundred thirty-five million, three hundred ninety-four thousand, two hundred sixty".