28496944800 has 576 divisors, whose sum is σ = 113242752000. Its totient is φ = 6883937280.

The previous prime is 28496944793. The next prime is 28496944829. The reversal of 28496944800 is 844969482.

28496944800 is a `hidden beast` number, since 28 + 496 + 94 + 48 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9437691 + ... + 9440709.

It is an arithmetic number, because the mean of its divisors is an integer number (196602000).

Almost surely, 2^28496944800 is an apocalyptic number.

28496944800 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 28496944800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56621376000).

28496944800 is an abundant number, since it is smaller than the sum of its proper divisors (84745807200).

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

28496944800 is a wasteful number, since it uses less digits than its factorization.

28496944800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 28496944800 in words is "twenty-eight billion, four hundred ninety-six million, nine hundred forty-four thousand, eight hundred".