5221140326640 has 240 divisors, whose sum is σ = 20580835474368. Its totient is φ = 1161149313024.

The previous prime is 5221140326617. The next prime is 5221140326659. The reversal of 5221140326640 is 466230411225.

5221140326640 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 1 + 4 + 0 + 3 + 2 + 6 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5221140326595 and 5221140326604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13812717 + ... + 14185676.

Almost surely, 2^{5221140326640} is an apocalyptic number.

It is an amenable number.

5221140326640 is an abundant number, since it is smaller than the sum of its proper divisors (15359695147728).

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

5221140326640 is a wasteful number, since it uses less digits than its factorization.

5221140326640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27998456 (or 27998447 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 5221140326640 its reverse (466230411225), we get a palindrome (5687370737865).

The spelling of 5221140326640 in words is "five trillion, two hundred twenty-one billion, one hundred forty million, three hundred twenty-six thousand, six hundred forty".