281044548048 has 160 divisors (see below), whose sum is σ = 854970992640. Its totient is φ = 78653048320.

The previous prime is 281044548011. The next prime is 281044548133. The reversal of 281044548048 is 840845440182.

It is a super-2 number, since 2×281044548048² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 281044547988 and 281044548006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46836 + ... + 751187.

It is an arithmetic number, because the mean of its divisors is an integer number (5343568704).

Almost surely, 2^281044548048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281044548048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427485496320).

281044548048 is an abundant number, since it is smaller than the sum of its proper divisors (573926444592).

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

281044548048 is a wasteful number, since it uses less digits than its factorization.

281044548048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798097 (or 798091 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 48.

The spelling of 281044548048 in words is "two hundred eighty-one billion, forty-four million, five hundred forty-eight thousand, forty-eight".