440664064306230 has 192 divisors, whose sum is σ = 1095638116082688. Its totient is φ = 113425865280000.

The previous prime is 440664064306211. The next prime is 440664064306247. The reversal of 440664064306230 is 32603460466044.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 440664064306230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18148501690 + ... + 18148525970.

It is an arithmetic number, because the mean of its divisors is an integer number (5706448521264).

Almost surely, 2^{440664064306230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440664064306230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547819058041344).

440664064306230 is an abundant number, since it is smaller than the sum of its proper divisors (654974051776458).

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

440664064306230 is a wasteful number, since it uses less digits than its factorization.

440664064306230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25955 (or 25924 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 48.

The spelling of 440664064306230 in words is "four hundred forty trillion, six hundred sixty-four billion, sixty-four million, three hundred six thousand, two hundred thirty".