1800432607204 has 81 divisors (see below), whose sum is σ = 4029116379561. Its totient is φ = 701386741440.

The previous prime is 1800432607201. The next prime is 1800432607217. The reversal of 1800432607204 is 4027062340081.

The square root of 1800432607204 is 1341802.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1747921968100 + 52510639104 = 1322090^2 + 229152^2 .

It is not an unprimeable number, because it can be changed into a prime (1800432607201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 206633152 + ... + 206641864.

Almost surely, 2^{1800432607204} is an apocalyptic number.

1800432607204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1800432607204 is the 1341802-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1800432607204

1800432607204 is an abundant number, since it is smaller than the sum of its proper divisors (2228683772357).

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

1800432607204 is an frugal number, since it uses more digits than its factorization.

1800432607204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17466 (or 8733 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 1800432607204 its reverse (4027062340081), we get a palindrome (5827494947285).

The spelling of 1800432607204 in words is "one trillion, eight hundred billion, four hundred thirty-two million, six hundred seven thousand, two hundred four".