430023800644 has 9 divisors (see below), whose sum is σ = 752543946301. Its totient is φ = 215011244560.

The previous prime is 430023800641. The next prime is 430023800677. The reversal of 430023800644 is 446008320034.

The square root of 430023800644 is 655762.

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., 36342847044 + 393680953600 = 190638^2 + 627440^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (430023800641) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1147584 + ... + 1475464.

Almost surely, 2^430023800644 is an apocalyptic number.

430023800644 is the 655762-nd square number.

It is an amenable number.

430023800644 is a deficient number, since it is larger than the sum of its proper divisors (322520145657).

430023800644 is an frugal number, since it uses more digits than its factorization.

430023800644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655766 (or 327883 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 430023800644 in words is "four hundred thirty billion, twenty-three million, eight hundred thousand, six hundred forty-four".