444400444444 has 24 divisors (see below), whose sum is σ = 893053526400. Its totient is φ = 191368612080.

The previous prime is 444400444427. The next prime is 444400444459. The reversal of 444400444444 is 444444004444.

444400444444 is a modest number, since divided by 444444 gives 444400 as remainder.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 444400444397 and 444400444406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265788904 + ... + 265790575.

It is an arithmetic number, because the mean of its divisors is an integer number (37210563600).

Almost surely, 2^444400444444 is an apocalyptic number.

444400444444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444400444444 is an abundant number, since it is smaller than the sum of its proper divisors (448653081956).

444400444444 is a wasteful number, since it uses less digits than its factorization.

444400444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531579513 (or 531579511 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 40.

Adding to 444400444444 its reverse (444444004444), we get a palindrome (888844448888).

Subtracting 444400444444 from its reverse (444444004444), we obtain a square (43560000 = 6600²).

The spelling of 444400444444 in words is "four hundred forty-four billion, four hundred million, four hundred forty-four thousand, four hundred forty-four".