28480896000 has 880 divisors, whose sum is σ = 110353475232. Its totient is φ = 7299072000.

The previous prime is 28480895987. The next prime is 28480896001. The reversal of 28480896000 is 69808482.

It is a happy number.

It is a super-2 number, since 2×28480896000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480896001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 425087967 + ... + 425088033.

Almost surely, 2^28480896000 is an apocalyptic number.

28480896000 is a gapful number since it is divisible by the number (20) 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 28480896000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55176737616).

28480896000 is an abundant number, since it is smaller than the sum of its proper divisors (81872579232).

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

28480896000 is an equidigital number, since it uses as much as digits as its factorization.

28480896000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 28480896000 in words is "twenty-eight billion, four hundred eighty million, eight hundred ninety-six thousand".