28297210233600 has 4860 divisors, whose sum is σ = 138090308920200. Its totient is φ = 5507879731200.

The previous prime is 28297210233569. The next prime is 28297210233613. The reversal of 28297210233600 is 633201279282.

28297210233600 is a `hidden beast` number, since 2 + 8 + 2 + 9 + 7 + 2 + 1 + 0 + 2 + 33 + 600 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 539 ways as a sum of consecutive naturals, for example, 317946182356 + ... + 317946182444.

Almost surely, 2^{28297210233600} is an apocalyptic number.

28297210233600 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 28297210233600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69045154460100).

28297210233600 is an abundant number, since it is smaller than the sum of its proper divisors (109793098686600).

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

28297210233600 is a wasteful number, since it uses less digits than its factorization.

28297210233600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 28297210233600 in words is "twenty-eight trillion, two hundred ninety-seven billion, two hundred ten million, two hundred thirty-three thousand, six hundred".