28555632484 has 12 divisors (see below), whose sum is σ = 49973628544. Its totient is φ = 14277452904.

The previous prime is 28555632473. The next prime is 28555632493. The reversal of 28555632484 is 48423655582.

It is a super-2 number, since 2×28555632484² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167857 + ... + 292039.

Almost surely, 2^28555632484 is an apocalyptic number.

It is an amenable number.

28555632484 is a deficient number, since it is larger than the sum of its proper divisors (21417996060).

28555632484 is a wasteful number, since it uses less digits than its factorization.

28555632484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181674 (or 181672 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 52.

The spelling of 28555632484 in words is "twenty-eight billion, five hundred fifty-five million, six hundred thirty-two thousand, four hundred eighty-four".