5640602420 has 12 divisors (see below), whose sum is σ = 11845265124. Its totient is φ = 2256240960.

The previous prime is 5640602411. The next prime is 5640602437. The reversal of 5640602420 is 242060465.

It can be written as a sum of positive squares in 2 ways, for example, as 1157496484 + 4483105936 = 34022^2 + 66956^2 .

It is a super-3 number, since 3×5640602420³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 141015041 + ... + 141015080.

It is an arithmetic number, because the mean of its divisors is an integer number (987105427).

Almost surely, 2^5640602420 is an apocalyptic number.

It is an amenable number.

5640602420 is an abundant number, since it is smaller than the sum of its proper divisors (6204662704).

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

5640602420 is a wasteful number, since it uses less digits than its factorization.

5640602420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282030130 (or 282030128 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 5640602420 is about 75103.9441041547. The cubic root of 5640602420 is about 1780.0894644256.

Adding to 5640602420 its reverse (242060465), we get a palindrome (5882662885).

The spelling of 5640602420 in words is "five billion, six hundred forty million, six hundred two thousand, four hundred twenty".