4444423232340 has 192 divisors, whose sum is σ = 15730117369344. Its totient is φ = 912380516352.

The previous prime is 4444423232299. The next prime is 4444423232443. The reversal of 4444423232340 is 432323244444.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10797939 + ... + 11201978.

It is an arithmetic number, because the mean of its divisors is an integer number (81927694632).

Almost surely, 2^{4444423232340} is an apocalyptic number.

It is an amenable number.

4444423232340 is an abundant number, since it is smaller than the sum of its proper divisors (11285694137004).

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

4444423232340 is a wasteful number, since it uses less digits than its factorization.

4444423232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21999986 (or 21999984 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 39.

Adding to 4444423232340 its reverse (432323244444), we get a palindrome (4876746476784).

The spelling of 4444423232340 in words is "four trillion, four hundred forty-four billion, four hundred twenty-three million, two hundred thirty-two thousand, three hundred forty".