28530084460 has 24 divisors (see below), whose sum is σ = 59992986816. Its totient is φ = 11396832000.

The previous prime is 28530084409. The next prime is 28530084461. The reversal of 28530084460 is 6448003582.

It is not an unprimeable number, because it can be changed into a prime (28530084461) 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, 934717 + ... + 964756.

It is an arithmetic number, because the mean of its divisors is an integer number (2499707784).

Almost surely, 2^28530084460 is an apocalyptic number.

28530084460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28530084460 is an abundant number, since it is smaller than the sum of its proper divisors (31462902356).

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

28530084460 is a wasteful number, since it uses less digits than its factorization.

28530084460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900233 (or 1900231 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 28530084460 in words is "twenty-eight billion, five hundred thirty million, eighty-four thousand, four hundred sixty".