28003054944 has 96 divisors (see below), whose sum is σ = 76990798080. Its totient is φ = 8895130112.

The previous prime is 28003054927. The next prime is 28003054987. The reversal of 28003054944 is 44945030082.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 570379 + ... + 617525.

It is an arithmetic number, because the mean of its divisors is an integer number (801987480).

Almost surely, 2^28003054944 is an apocalyptic number.

28003054944 is a gapful number since it is divisible by the number (24) 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 28003054944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38495399040).

28003054944 is an abundant number, since it is smaller than the sum of its proper divisors (48987743136).

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

28003054944 is a wasteful number, since it uses less digits than its factorization.

28003054944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47452 (or 47444 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 28003054944 in words is "twenty-eight billion, three million, fifty-four thousand, nine hundred forty-four".