444400440004 has 24 divisors (see below), whose sum is σ = 778547700000. Its totient is φ = 221958347520.

The previous prime is 444400439983. The next prime is 444400440023. The reversal of 444400440004 is 400044004444.

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, 20667699 + ... + 20689189.

It is an arithmetic number, because the mean of its divisors is an integer number (32439487500).

Almost surely, 2^444400440004 is an apocalyptic number.

It is an amenable number.

444400440004 is a deficient number, since it is larger than the sum of its proper divisors (334147259996).

444400440004 is a wasteful number, since it uses less digits than its factorization.

444400440004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26883 (or 26881 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 444400440004 its reverse (400044004444), we get a palindrome (844444444448).

The spelling of 444400440004 in words is "four hundred forty-four billion, four hundred million, four hundred forty thousand, four".