440448404408 has 16 divisors (see below), whose sum is σ = 825893772480. Its totient is φ = 220210065088.

The previous prime is 440448404393. The next prime is 440448404413. The reversal of 440448404408 is 804404844044.

It is a super-2 number, since 2×440448404408² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634141 + ... + 1884492.

It is an arithmetic number, because the mean of its divisors is an integer number (51618360780).

Almost surely, 2^440448404408 is an apocalyptic number.

It is an amenable number.

440448404408 is a deficient number, since it is larger than the sum of its proper divisors (385445368072).

440448404408 is a wasteful number, since it uses less digits than its factorization.

440448404408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534286 (or 3534282 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 44.

The spelling of 440448404408 in words is "four hundred forty billion, four hundred forty-eight million, four hundred four thousand, four hundred eight".