444278872444 has 48 divisors (see below), whose sum is σ = 862403052672. Its totient is φ = 198558360000.

The previous prime is 444278872439. The next prime is 444278872489.

444278872444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×444278872444² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7299699 + ... + 7360309.

It is an arithmetic number, because the mean of its divisors is an integer number (17966730264).

Almost surely, 2^444278872444 is an apocalyptic number.

444278872444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444278872444 is a deficient number, since it is larger than the sum of its proper divisors (418124180228).

444278872444 is a wasteful number, since it uses less digits than its factorization.

444278872444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63418 (or 63416 counting only the distinct ones).

The product of its digits is 51380224, while the sum is 58.

The spelling of 444278872444 in words is "four hundred forty-four billion, two hundred seventy-eight million, eight hundred seventy-two thousand, four hundred forty-four".