444553502144432 has 20 divisors (see below), whose sum is σ = 911988434546856. Its totient is φ = 209201648067840.

The previous prime is 444553502144431. The next prime is 444553502144471. The reversal of 444553502144432 is 234441205355444.

It is not an unprimeable number, because it can be changed into a prime (444553502144431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817193937494 + ... + 817193938037.

Almost surely, 2^{444553502144432} is an apocalyptic number.

It is an amenable number.

444553502144432 is an abundant number, since it is smaller than the sum of its proper divisors (467434932402424).

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

444553502144432 is a wasteful number, since it uses less digits than its factorization.

444553502144432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634387875556 (or 1634387875550 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 50.

Adding to 444553502144432 its reverse (234441205355444), we get a palindrome (678994707499876).

The spelling of 444553502144432 in words is "four hundred forty-four trillion, five hundred fifty-three billion, five hundred two million, one hundred forty-four thousand, four hundred thirty-two".