5640720001 has 16 divisors (see below), whose sum is σ = 6617612800. Its totient is φ = 4708274688.

The previous prime is 5640719989. The next prime is 5640720079. The reversal of 5640720001 is 1000270465.

It is a cyclic number.

It is not a de Polignac number, because 5640720001 - 2¹⁷ = 5640588929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5640120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29496 + ... + 110233.

It is an arithmetic number, because the mean of its divisors is an integer number (413600800).

Almost surely, 2^5640720001 is an apocalyptic number.

It is an amenable number.

5640720001 is a deficient number, since it is larger than the sum of its proper divisors (976892799).

5640720001 is a wasteful number, since it uses less digits than its factorization.

5640720001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139888.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 5640720001 is about 75104.7268885255. The cubic root of 5640720001 is about 1780.1018332726.

Adding to 5640720001 its reverse (1000270465), we get a palindrome (6640990466).

The spelling of 5640720001 in words is "five billion, six hundred forty million, seven hundred twenty thousand, one".