28305262232 has 32 divisors (see below), whose sum is σ = 57190114800. Its totient is φ = 13055908224.

The previous prime is 28305262229. The next prime is 28305262253. The reversal of 28305262232 is 23226250382.

It is a junction number, because it is equal to n+sod(n) for n = 28305262192 and 28305262201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87119 + ... + 253377.

Almost surely, 2^28305262232 is an apocalyptic number.

It is an amenable number.

28305262232 is an abundant number, since it is smaller than the sum of its proper divisors (28884852568).

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

28305262232 is a wasteful number, since it uses less digits than its factorization.

28305262232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167915 (or 167911 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 28305262232 in words is "twenty-eight billion, three hundred five million, two hundred sixty-two thousand, two hundred thirty-two".