28183172371200 has 2592 divisors, whose sum is σ = 129523566961152. Its totient is φ = 5677350912000.

The previous prime is 28183172371163. The next prime is 28183172371213. The reversal of 28183172371200 is 217327138182.

28183172371200 is a `hidden beast` number, since 2 + 8 + 1 + 8 + 3 + 1 + 72 + 371 + 200 = 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 287 ways as a sum of consecutive naturals, for example, 19749944887 + ... + 19749946313.

Almost surely, 2^{28183172371200} is an apocalyptic number.

28183172371200 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 28183172371200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64761783480576).

28183172371200 is an abundant number, since it is smaller than the sum of its proper divisors (101340394589952).

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

28183172371200 is a wasteful number, since it uses less digits than its factorization.

28183172371200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 28183172371200 in words is "twenty-eight trillion, one hundred eighty-three billion, one hundred seventy-two million, three hundred seventy-one thousand, two hundred".