444312342402330 has 64 divisors (see below), whose sum is σ = 1075398918709248. Its totient is φ = 117482047464000.

The previous prime is 444312342402277. The next prime is 444312342402353. The reversal of 444312342402330 is 33204243213444.

It is a happy number.

It is a super-2 number, since 2×444312342402330² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130620414 + ... + 133978793.

It is an arithmetic number, because the mean of its divisors is an integer number (16803108104832).

Almost surely, 2^{444312342402330} is an apocalyptic number.

444312342402330 is an abundant number, since it is smaller than the sum of its proper divisors (631086576306918).

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

444312342402330 is a wasteful number, since it uses less digits than its factorization.

444312342402330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264599691.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 444312342402330 its reverse (33204243213444), we get a palindrome (477516585615774).

The spelling of 444312342402330 in words is "four hundred forty-four trillion, three hundred twelve billion, three hundred forty-two million, four hundred two thousand, three hundred thirty".