444774477444 has 24 divisors (see below), whose sum is σ = 1132153215648. Its totient is φ = 134780144640.

The previous prime is 444774477421. The next prime is 444774477449.

444774477444 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (444774477449) 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 7 ways as a sum of consecutive naturals, for example, 1684751677 + ... + 1684751940.

It is an arithmetic number, because the mean of its divisors is an integer number (47173050652).

Almost surely, 2^444774477444 is an apocalyptic number.

444774477444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444774477444 is an abundant number, since it is smaller than the sum of its proper divisors (687378738204).

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

444774477444 is a wasteful number, since it uses less digits than its factorization.

444774477444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369503635 (or 3369503633 counting only the distinct ones).

The product of its digits is 157351936, while the sum is 60.

The spelling of 444774477444 in words is "four hundred forty-four billion, seven hundred seventy-four million, four hundred seventy-seven thousand, four hundred forty-four".