28464833616 has 40 divisors (see below), whose sum is σ = 73695116544. Its totient is φ = 9467508480.

The previous prime is 28464833591. The next prime is 28464833627. The reversal of 28464833616 is 61633846482.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626880 + ... + 670751.

Almost surely, 2^28464833616 is an apocalyptic number.

It is an amenable number.

28464833616 is an abundant number, since it is smaller than the sum of its proper divisors (45230282928).

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

28464833616 is a wasteful number, since it uses less digits than its factorization.

28464833616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298099 (or 1298093 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 51.

The spelling of 28464833616 in words is "twenty-eight billion, four hundred sixty-four million, eight hundred thirty-three thousand, six hundred sixteen".