440808404 has 6 divisors (see below), whose sum is σ = 771414714. Its totient is φ = 220404200.

The previous prime is 440808391. The next prime is 440808421. The reversal of 440808404 is 404808044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 434805904 + 6002500 = 20852^2 + 2450^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101047 + ... + 55101054.

It is an arithmetic number, because the mean of its divisors is an integer number (128569119).

Almost surely, 2^440808404 is an apocalyptic number.

It is an amenable number.

440808404 is a deficient number, since it is larger than the sum of its proper divisors (330606310).

440808404 is a wasteful number, since it uses less digits than its factorization.

440808404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110202105 (or 110202103 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 440808404 is about 20995.4376948898. The cubic root of 440808404 is about 761.0560135314.

The spelling of 440808404 in words is "four hundred forty million, eight hundred eight thousand, four hundred four".