5645203200 has 864 divisors, whose sum is σ = 25548364800. Its totient is φ = 1187758080.

The previous prime is 5645203177. The next prime is 5645203279. The reversal of 5645203200 is 23025465.

5645203200 is a `hidden beast` number, since 5 + 6 + 452 + 0 + 3 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 15724621 + ... + 15724979.

Almost surely, 2^5645203200 is an apocalyptic number.

5645203200 is a gapful number since it is divisible by the number (50) 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 5645203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12774182400).

5645203200 is an abundant number, since it is smaller than the sum of its proper divisors (19903161600).

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

5645203200 is a wasteful number, since it uses less digits than its factorization.

5645203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5645203200 is about 75134.5672776519. The cubic root of 5645203200 is about 1780.5733119372.

Adding to 5645203200 its reverse (23025465), we get a palindrome (5668228665).

The spelling of 5645203200 in words is "five billion, six hundred forty-five million, two hundred three thousand, two hundred".