440486808 has 16 divisors (see below), whose sum is σ = 1101217080. Its totient is φ = 146828928.

The previous prime is 440486791. The next prime is 440486819. The reversal of 440486808 is 808684044.

It is a self number, because there is not a number n which added to its sum of digits gives 440486808.

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, 9176785 + ... + 9176832.

Almost surely, 2^440486808 is an apocalyptic number.

It is an amenable number.

440486808 is an abundant number, since it is smaller than the sum of its proper divisors (660730272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440486808 is a wasteful number, since it uses less digits than its factorization.

440486808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18353626 (or 18353622 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The square root of 440486808 is about 20987.7775860142. Note that the first 3 decimals coincide. The cubic root of 440486808 is about 760.8708899326.

The spelling of 440486808 in words is "four hundred forty million, four hundred eighty-six thousand, eight hundred eight".