28572506484 has 24 divisors (see below), whose sum is σ = 66676044960. Its totient is φ = 9523188384.

The previous prime is 28572506393. The next prime is 28572506503. The reversal of 28572506484 is 48460527582.

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 7 ways as a sum of consecutive naturals, for example, 4107 + ... + 239085.

It is an arithmetic number, because the mean of its divisors is an integer number (2778168540).

Almost surely, 2^28572506484 is an apocalyptic number.

It is an amenable number.

28572506484 is an abundant number, since it is smaller than the sum of its proper divisors (38103538476).

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

28572506484 is a wasteful number, since it uses less digits than its factorization.

28572506484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245119 (or 245117 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 28572506484 in words is "twenty-eight billion, five hundred seventy-two million, five hundred six thousand, four hundred eighty-four".