1572328828272 has 160 divisors (see below), whose sum is σ = 4206877171200. Its totient is φ = 505703632896.

The previous prime is 1572328828267. The next prime is 1572328828327. The reversal of 1572328828272 is 2728288232751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239352604 + ... + 239359172.

It is an arithmetic number, because the mean of its divisors is an integer number (26292982320).

Almost surely, 2^{1572328828272} is an apocalyptic number.

1572328828272 is a gapful number since it is divisible by the number (12) 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 1572328828272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2103438585600).

1572328828272 is an abundant number, since it is smaller than the sum of its proper divisors (2634548342928).

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

1572328828272 is a wasteful number, since it uses less digits than its factorization.

1572328828272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015 (or 8009 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 57.

The spelling of 1572328828272 in words is "one trillion, five hundred seventy-two billion, three hundred twenty-eight million, eight hundred twenty-eight thousand, two hundred seventy-two".