28630128282 has 32 divisors (see below), whose sum is σ = 65468401152. Its totient is φ = 8176523184.

The previous prime is 28630128277. The next prime is 28630128313. The reversal of 28630128282 is 28282103682.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 46648 + ... + 243795.

It is an arithmetic number, because the mean of its divisors is an integer number (2045887536).

Almost surely, 2^28630128282 is an apocalyptic number.

28630128282 is an abundant number, since it is smaller than the sum of its proper divisors (36838272870).

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

28630128282 is a wasteful number, since it uses less digits than its factorization.

28630128282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292802.

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 28630128282 in words is "twenty-eight billion, six hundred thirty million, one hundred twenty-eight thousand, two hundred eighty-two".