430064644 has 9 divisors (see below), whose sum is σ = 752685717. Its totient is φ = 215011584.

The previous prime is 430064633. The next prime is 430064651. The reversal of 430064644 is 446460034.

The square root of 430064644 is 20738.

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., 23639044 + 406425600 = 4862^2 + 20160^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36292 + ... + 46660.

Almost surely, 2^430064644 is an apocalyptic number.

430064644 is the 20738-th square number.

It is an amenable number.

430064644 is a deficient number, since it is larger than the sum of its proper divisors (322621073).

430064644 is an frugal number, since it uses more digits than its factorization.

430064644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20742 (or 10371 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The cubic root of 430064644 is about 754.8220530001.

The spelling of 430064644 in words is "four hundred thirty million, sixty-four thousand, six hundred forty-four".