28849844418 has 32 divisors (see below), whose sum is σ = 58036323840. Its totient is φ = 9560643840.

The previous prime is 28849844393. The next prime is 28849844423. The reversal of 28849844418 is 81444894882.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861288 + ... + 894156.

It is an arithmetic number, because the mean of its divisors is an integer number (1813635120).

Almost surely, 2^28849844418 is an apocalyptic number.

28849844418 is an abundant number, since it is smaller than the sum of its proper divisors (29186479422).

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

28849844418 is a wasteful number, since it uses less digits than its factorization.

28849844418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33722.

The product of its digits is 18874368, while the sum is 60.

The spelling of 28849844418 in words is "twenty-eight billion, eight hundred forty-nine million, eight hundred forty-four thousand, four hundred eighteen".