4000044004400 has 30 divisors (see below), whose sum is σ = 9610105721532. Its totient is φ = 1600017601600.

The previous prime is 4000044004393. The next prime is 4000044004417. The reversal of 4000044004400 is 44004400004.

It is a Harshad number since it is a multiple of its sum of digits (20).

4000044004400 is a modest number, since divided by 44004400 gives 40000 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5000054606 + ... + 5000055405.

Almost surely, 2^{4000044004400} is an apocalyptic number.

4000044004400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4000044004400 is an abundant number, since it is smaller than the sum of its proper divisors (5610061717132).

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

4000044004400 is a wasteful number, since it uses less digits than its factorization.

4000044004400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000110029 (or 10000110018 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 4000044004400 its reverse (44004400004), we get a palindrome (4044048404404).

The spelling of 4000044004400 in words is "four trillion, forty-four million, four thousand, four hundred".