28545576446 has 16 divisors (see below), whose sum is σ = 44116455600. Its totient is φ = 13846143168.

The previous prime is 28545576431. The next prime is 28545576487. The reversal of 28545576446 is 64467554582.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28545576391 and 28545576400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503476 + ... + 1522343.

It is an arithmetic number, because the mean of its divisors is an integer number (2757278475).

Almost surely, 2^28545576446 is an apocalyptic number.

28545576446 is a deficient number, since it is larger than the sum of its proper divisors (15570879154).

28545576446 is a wasteful number, since it uses less digits than its factorization.

28545576446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025963.

The product of its digits is 32256000, while the sum is 56.

The spelling of 28545576446 in words is "twenty-eight billion, five hundred forty-five million, five hundred seventy-six thousand, four hundred forty-six".