1579220000 has 90 divisors (see below), whose sum is σ = 3898993329. Its totient is φ = 629440000.

The previous prime is 1579219933. The next prime is 1579220003. The reversal of 1579220000 is 229751.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 8 ways, for example, as 17073424 + 1562146576 = 4132^2 + 39524^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=28100.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1579220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5619860 + ... + 5620140.

Almost surely, 2^1579220000 is an apocalyptic number.

1579220000 is a gapful number since it is divisible by the number (10) 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 1579220000

1579220000 is an abundant number, since it is smaller than the sum of its proper divisors (2319773329).

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

1579220000 is an frugal number, since it uses more digits than its factorization.

1579220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1579220000 is about 39739.4011026840. The cubic root of 1579220000 is about 1164.5215912841.

Adding to 1579220000 its reverse (229751), we get a palindrome (1579449751).

The spelling of 1579220000 in words is "one billion, five hundred seventy-nine million, two hundred twenty thousand".