530172740000 has 120 divisors (see below), whose sum is σ = 1304913747060. Its totient is φ = 211970048000.

The previous prime is 530172739997. The next prime is 530172740021. The reversal of 530172740000 is 47271035.

It can be written as a sum of positive squares in 10 ways, for example, as 51458200336 + 478714539664 = 226844^2 + 691892^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55055186 + ... + 55064814.

Almost surely, 2^530172740000 is an apocalyptic number.

530172740000 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 530172740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652456873530).

530172740000 is an abundant number, since it is smaller than the sum of its proper divisors (774741007060).

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

530172740000 is an equidigital number, since it uses as much as digits as its factorization.

530172740000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12412 (or 12389 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The spelling of 530172740000 in words is "five hundred thirty billion, one hundred seventy-two million, seven hundred forty thousand".