28256410308 has 24 divisors (see below), whose sum is σ = 75350427712. Its totient is φ = 8073260064.

The previous prime is 28256410229. The next prime is 28256410309. The reversal of 28256410308 is 80301465282.

It is not an unprimeable number, because it can be changed into a prime (28256410309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168192835 + ... + 168193002.

Almost surely, 2^28256410308 is an apocalyptic number.

28256410308 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28256410308 is an abundant number, since it is smaller than the sum of its proper divisors (47094017404).

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

28256410308 is a wasteful number, since it uses less digits than its factorization.

28256410308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336385851 (or 336385849 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 28256410308 in words is "twenty-eight billion, two hundred fifty-six million, four hundred ten thousand, three hundred eight".