28964003456 has 16 divisors (see below), whose sum is σ = 57701725890. Its totient is φ = 14482001664.

The previous prime is 28964003441. The next prime is 28964003473. The reversal of 28964003456 is 65430046982.

It can be written as a sum of positive squares in only one way, i.e., 26443963456 + 2520040000 = 162616^2 + 50200^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 28964003456.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113140511 + ... + 113140766.

Almost surely, 2^28964003456 is an apocalyptic number.

It is an amenable number.

28964003456 is a deficient number, since it is larger than the sum of its proper divisors (28737722434).

28964003456 is an equidigital number, since it uses as much as digits as its factorization.

28964003456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226281291 (or 226281279 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 28964003456 in words is "twenty-eight billion, nine hundred sixty-four million, three thousand, four hundred fifty-six".