28851200448 has 112 divisors (see below), whose sum is σ = 87877887744. Its totient is φ = 8182978560.

The previous prime is 28851200431. The next prime is 28851200459. The reversal of 28851200448 is 84400215882.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105783 + ... + 262473.

Almost surely, 2^28851200448 is an apocalyptic number.

28851200448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28851200448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43938943872).

28851200448 is an abundant number, since it is smaller than the sum of its proper divisors (59026687296).

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

28851200448 is a wasteful number, since it uses less digits than its factorization.

28851200448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156850 (or 156840 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 28851200448 in words is "twenty-eight billion, eight hundred fifty-one million, two hundred thousand, four hundred forty-eight".