444232550545 has 16 divisors (see below), whose sum is σ = 641298119040. Its totient is φ = 288584152704.

The previous prime is 444232550543. The next prime is 444232550557. The reversal of 444232550545 is 545055232444.

It is not a de Polignac number, because 444232550545 - 2¹ = 444232550543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444232550543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334008772 + ... + 334010101.

It is an arithmetic number, because the mean of its divisors is an integer number (40081132440).

Almost surely, 2^444232550545 is an apocalyptic number.

It is an amenable number.

444232550545 is a deficient number, since it is larger than the sum of its proper divisors (197065568495).

444232550545 is a wasteful number, since it uses less digits than its factorization.

444232550545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668018904.

The product of its (nonzero) digits is 1920000, while the sum is 43.

Adding to 444232550545 its reverse (545055232444), we get a palindrome (989287782989).

The spelling of 444232550545 in words is "four hundred forty-four billion, two hundred thirty-two million, five hundred fifty thousand, five hundred forty-five".