530621746400 has 144 divisors (see below), whose sum is σ = 1340661067200. Its totient is φ = 204836136960.

The previous prime is 530621746367. The next prime is 530621746469. The reversal of 530621746400 is 4647126035.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 72357134 + ... + 72364466.

It is an arithmetic number, because the mean of its divisors is an integer number (9310146300).

Almost surely, 2^530621746400 is an apocalyptic number.

530621746400 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 530621746400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670330533600).

530621746400 is an abundant number, since it is smaller than the sum of its proper divisors (810039320800).

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

530621746400 is a wasteful number, since it uses less digits than its factorization.

530621746400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501 (or 10488 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 530621746400 in words is "five hundred thirty billion, six hundred twenty-one million, seven hundred forty-six thousand, four hundred".