440040404 has 6 divisors (see below), whose sum is σ = 770070714. Its totient is φ = 220020200.

The previous prime is 440040329. The next prime is 440040407. The reversal of 440040404 is 404040044.

It can be written as a sum of positive squares in only one way, i.e., 243984400 + 196056004 = 15620^2 + 14002^2 .

440040404 is a modest number, since divided by 40404 gives 440 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440040407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005047 + ... + 55005054.

It is an arithmetic number, because the mean of its divisors is an integer number (128345119).

Almost surely, 2^440040404 is an apocalyptic number.

It is an amenable number.

440040404 is a deficient number, since it is larger than the sum of its proper divisors (330030310).

440040404 is a wasteful number, since it uses less digits than its factorization.

440040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010105 (or 110010103 counting only the distinct ones).

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

The square root of 440040404 is about 20977.1400338559. The cubic root of 440040404 is about 760.6137724232.

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

The spelling of 440040404 in words is "four hundred forty million, forty thousand, four hundred four".