4004044444440 has 96 divisors (see below), whose sum is σ = 13013391437280. Its totient is φ = 1067724919296.

The previous prime is 4004044444369. The next prime is 4004044444457. The reversal of 4004044444440 is 444444404004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4004044444395 and 4004044444404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36379572 + ... + 36489468.

It is an arithmetic number, because the mean of its divisors is an integer number (135556160805).

Almost surely, 2^{4004044444440} is an apocalyptic number.

4004044444440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4004044444440 is an abundant number, since it is smaller than the sum of its proper divisors (9009346992840).

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

4004044444440 is a wasteful number, since it uses less digits than its factorization.

4004044444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211121 (or 211114 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 4004044444440 its reverse (444444404004), we get a palindrome (4448488848444).

The spelling of 4004044444440 in words is "four trillion, four billion, forty-four million, four hundred forty-four thousand, four hundred forty".