40444400404 has 12 divisors (see below), whose sum is σ = 70836641428. Its totient is φ = 20205360000.

The previous prime is 40444400371. The next prime is 40444400419. The reversal of 40444400404 is 40400444404.

It can be written as a sum of positive squares in 2 ways, for example, as 4628080900 + 35816319504 = 68030^2 + 189252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204647 + ... + 4214254.

Almost surely, 2^40444400404 is an apocalyptic number.

It is an amenable number.

40444400404 is a deficient number, since it is larger than the sum of its proper divisors (30392241024).

40444400404 is a wasteful number, since it uses less digits than its factorization.

40444400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420106 (or 8420104 counting only the distinct ones).

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

Adding to 40444400404 its reverse (40400444404), we get a palindrome (80844844808).

The spelling of 40444400404 in words is "forty billion, four hundred forty-four million, four hundred thousand, four hundred four".