400044444404 has 12 divisors (see below), whose sum is σ = 763721212128. Its totient is φ = 181838383800.

The previous prime is 400044444403. The next prime is 400044444451. The reversal of 400044444404 is 404444440004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400044444403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545959552 + ... + 4545959639.

It is an arithmetic number, because the mean of its divisors is an integer number (63643434344).

Almost surely, 2^400044444404 is an apocalyptic number.

400044444404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400044444404 is a deficient number, since it is larger than the sum of its proper divisors (363676767724).

400044444404 is a wasteful number, since it uses less digits than its factorization.

400044444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091919206 (or 9091919204 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 400044444404 its reverse (404444440004), we get a palindrome (804488884408).

It can be divided in two parts, 400044 and 444404, that added together give a palindrome (844448).

The spelling of 400044444404 in words is "four hundred billion, forty-four million, four hundred forty-four thousand, four hundred four".