444545545444 has 96 divisors (see below), whose sum is σ = 1054869403392. Its totient is φ = 158293440000.

The previous prime is 444545545403. The next prime is 444545545463.

444545545444 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 444545545391 and 444545545400.

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, 145227 + ... + 954034.

It is an arithmetic number, because the mean of its divisors is an integer number (10988222952).

Almost surely, 2^444545545444 is an apocalyptic number.

444545545444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444545545444 is an abundant number, since it is smaller than the sum of its proper divisors (610323857948).

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

444545545444 is a wasteful number, since it uses less digits than its factorization.

444545545444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099397 (or 1099395 counting only the distinct ones).

The product of its digits is 40960000, while the sum is 52.

It can be divided in two parts, 444545 and 545444, that added together give a palindrome (989989).

The spelling of 444545545444 in words is "four hundred forty-four billion, five hundred forty-five million, five hundred forty-five thousand, four hundred forty-four".