444134543550 has 48 divisors (see below), whose sum is σ = 1106673906432. Its totient is φ = 117874562400.

The previous prime is 444134543449. The next prime is 444134543557. The reversal of 444134543550 is 55345431444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444134543557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6984694 + ... + 7047993.

It is an arithmetic number, because the mean of its divisors is an integer number (23055706384).

Almost surely, 2^444134543550 is an apocalyptic number.

444134543550 is an abundant number, since it is smaller than the sum of its proper divisors (662539362882).

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

444134543550 is a wasteful number, since it uses less digits than its factorization.

444134543550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14032913 (or 14032908 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 444134543550 its reverse (55345431444), we get a palindrome (499479974994).

The spelling of 444134543550 in words is "four hundred forty-four billion, one hundred thirty-four million, five hundred forty-three thousand, five hundred fifty".