28199663360 has 432 divisors, whose sum is σ = 80897660928. Its totient is φ = 9313075200.

The previous prime is 28199663357. The next prime is 28199663389. The reversal of 28199663360 is 6336699182.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 532069094 + ... + 532069146.

It is an arithmetic number, because the mean of its divisors is an integer number (187263104).

Almost surely, 2^28199663360 is an apocalyptic number.

28199663360 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 28199663360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40448830464).

28199663360 is an abundant number, since it is smaller than the sum of its proper divisors (52697997568).

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

28199663360 is a wasteful number, since it uses less digits than its factorization.

28199663360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 28199663360 in words is "twenty-eight billion, one hundred ninety-nine million, six hundred sixty-three thousand, three hundred sixty".