28448284630 has 8 divisors (see below), whose sum is σ = 51206912352. Its totient is φ = 11379313848.

The previous prime is 28448284591. The next prime is 28448284637. The reversal of 28448284630 is 3648284482.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28448284637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1422414222 + ... + 1422414241.

It is an arithmetic number, because the mean of its divisors is an integer number (6400864044).

Almost surely, 2^28448284630 is an apocalyptic number.

28448284630 is a deficient number, since it is larger than the sum of its proper divisors (22758627722).

28448284630 is a wasteful number, since it uses less digits than its factorization.

28448284630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844828470.

The product of its (nonzero) digits is 2359296, while the sum is 49.

The spelling of 28448284630 in words is "twenty-eight billion, four hundred forty-eight million, two hundred eighty-four thousand, six hundred thirty".