664411230 has 48 divisors (see below), whose sum is σ = 1974252384. Its totient is φ = 151865280.

The previous prime is 664411219. The next prime is 664411249. The reversal of 664411230 is 32114466.

664411230 is a `hidden beast` number, since 6 + 644 + 1 + 12 + 3 + 0 = 666.

It is a super-2 number, since 2×664411230² = 882884565100225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 664411194 and 664411203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 526681 + ... + 527940.

It is an arithmetic number, because the mean of its divisors is an integer number (41130258).

Almost surely, 2^664411230 is an apocalyptic number.

664411230 is an abundant number, since it is smaller than the sum of its proper divisors (1309841154).

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

664411230 is a wasteful number, since it uses less digits than its factorization.

664411230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054641 (or 1054638 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 664411230 is about 25776.1756278933. The cubic root of 664411230 is about 872.5941989630.

Adding to 664411230 its reverse (32114466), we get a palindrome (696525696).

The spelling of 664411230 in words is "six hundred sixty-four million, four hundred eleven thousand, two hundred thirty".