28484224830 has 64 divisors (see below), whose sum is σ = 76811457600. Its totient is φ = 7510440960.

The previous prime is 28484224817. The next prime is 28484224849. The reversal of 28484224830 is 3842248482.

It is a super-2 number, since 2×28484224830² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 568651 + ... + 616710.

It is an arithmetic number, because the mean of its divisors is an integer number (1200179025).

Almost surely, 2^28484224830 is an apocalyptic number.

28484224830 is an abundant number, since it is smaller than the sum of its proper divisors (48327232770).

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

28484224830 is a wasteful number, since it uses less digits than its factorization.

28484224830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185466 (or 1185460 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 45.

The spelling of 28484224830 in words is "twenty-eight billion, four hundred eighty-four million, two hundred twenty-four thousand, eight hundred thirty".