404040044 has 12 divisors (see below), whose sum is σ = 707480424. Its totient is φ = 201902784.

The previous prime is 404040029. The next prime is 404040047. The reversal of 404040044 is 440040404.

It is a junction number, because it is equal to n+sod(n) for n = 404039998 and 404040025.

It is not an unprimeable number, because it can be changed into a prime (404040047) 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, 21314 + ... + 35529.

It is an arithmetic number, because the mean of its divisors is an integer number (58956702).

Almost surely, 2^404040044 is an apocalyptic number.

It is an amenable number.

404040044 is a deficient number, since it is larger than the sum of its proper divisors (303440380).

404040044 is a wasteful number, since it uses less digits than its factorization.

404040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58624 (or 58622 counting only the distinct ones).

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

The square root of 404040044 is about 20100.7473492903. The cubic root of 404040044 is about 739.2786030297.

Adding to 404040044 its reverse (440040404), we get a palindrome (844080448).

The spelling of 404040044 in words is "four hundred four million, forty thousand, forty-four".