28446264482 has 4 divisors (see below), whose sum is σ = 42669396726. Its totient is φ = 14223132240.

The previous prime is 28446264439. The next prime is 28446264487.

28446264482 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23700294601 + 4745969881 = 153949^2 + 68891^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28446264482.

It is not an unprimeable number, because it can be changed into a prime (28446264487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7111566119 + ... + 7111566122.

Almost surely, 2^28446264482 is an apocalyptic number.

28446264482 is a deficient number, since it is larger than the sum of its proper divisors (14223132244).

28446264482 is a wasteful number, since it uses less digits than its factorization.

28446264482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14223132243.

The product of its digits is 4718592, while the sum is 50.

The spelling of 28446264482 in words is "twenty-eight billion, four hundred forty-six million, two hundred sixty-four thousand, four hundred eighty-two".