28441448044 has 24 divisors (see below), whose sum is σ = 50420351520. Its totient is φ = 14036626944.

The previous prime is 28441448039. The next prime is 28441448047. The reversal of 28441448044 is 44084414482.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28441448047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9349 + ... + 238684.

It is an arithmetic number, because the mean of its divisors is an integer number (2100847980).

Almost surely, 2^28441448044 is an apocalyptic number.

It is an amenable number.

28441448044 is a deficient number, since it is larger than the sum of its proper divisors (21978903476).

28441448044 is a wasteful number, since it uses less digits than its factorization.

28441448044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248409 (or 248407 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 43.

The spelling of 28441448044 in words is "twenty-eight billion, four hundred forty-one million, four hundred forty-eight thousand, forty-four".