28279482048 has 280 divisors, whose sum is σ = 93437506800. Its totient is φ = 8404549632.

The previous prime is 28279482047. The next prime is 28279482053. The reversal of 28279482048 is 84028497282.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 28279481985 and 28279482003.

It is not an unprimeable number, because it can be changed into a prime (28279482041) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1665988 + ... + 1682876.

Almost surely, 2^28279482048 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 28279482048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46718753400).

28279482048 is an abundant number, since it is smaller than the sum of its proper divisors (65158024752).

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

28279482048 is a wasteful number, since it uses less digits than its factorization.

28279482048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16949 (or 16930 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 28279482048 in words is "twenty-eight billion, two hundred seventy-nine million, four hundred eighty-two thousand, forty-eight".