5640723200 has 162 divisors, whose sum is σ = 16242030756. Its totient is φ = 1933854720.

The previous prime is 5640723163. The next prime is 5640723217. The reversal of 5640723200 is 23270465.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 304607 + ... + 322593.

Almost surely, 2^5640723200 is an apocalyptic number.

5640723200 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 5640723200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8121015378).

5640723200 is an abundant number, since it is smaller than the sum of its proper divisors (10601307556).

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

5640723200 is a wasteful number, since it uses less digits than its factorization.

5640723200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18027 (or 18001 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 5640723200 is about 75104.7481854510. The cubic root of 5640723200 is about 1780.1021697867.

Adding to 5640723200 its reverse (23270465), we get a palindrome (5663993665).

The spelling of 5640723200 in words is "five billion, six hundred forty million, seven hundred twenty-three thousand, two hundred".