444400004004 has 24 divisors (see below), whose sum is σ = 1131200010528. Its totient is φ = 134666667840.

The previous prime is 444400003991. The next prime is 444400004029. The reversal of 444400004004 is 400400004444.

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, 1683333217 + ... + 1683333480.

It is an arithmetic number, because the mean of its divisors is an integer number (47133333772).

Almost surely, 2^444400004004 is an apocalyptic number.

444400004004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444400004004 is an abundant number, since it is smaller than the sum of its proper divisors (686800006524).

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

444400004004 is a wasteful number, since it uses less digits than its factorization.

444400004004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366666715 (or 3366666713 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 444400004004 its reverse (400400004444), we get a palindrome (844800008448).

The spelling of 444400004004 in words is "four hundred forty-four billion, four hundred million, four thousand, four".