530640556380 has 480 divisors, whose sum is σ = 1883673792000. Its totient is φ = 123868362240.

The previous prime is 530640556379. The next prime is 530640556399. The reversal of 530640556380 is 83655046035.

530640556380 is a `hidden beast` number, since 5 + 3 + 0 + 6 + 4 + 0 + 5 + 5 + 638 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 226865251 + ... + 226867589.

It is an arithmetic number, because the mean of its divisors is an integer number (3924320400).

Almost surely, 2^530640556380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530640556380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941836896000).

530640556380 is an abundant number, since it is smaller than the sum of its proper divisors (1353033235620).

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

530640556380 is a wasteful number, since it uses less digits than its factorization.

530640556380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 530640556380 in words is "five hundred thirty billion, six hundred forty million, five hundred fifty-six thousand, three hundred eighty".