450403404 has 96 divisors (see below), whose sum is σ = 1176698880. Its totient is φ = 132936000.

The previous prime is 450403391. The next prime is 450403439. The reversal of 450403404 is 404304054.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175797 + ... + 1176179.

It is an arithmetic number, because the mean of its divisors is an integer number (12257280).

Almost surely, 2^450403404 is an apocalyptic number.

450403404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450403404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588349440).

450403404 is an abundant number, since it is smaller than the sum of its proper divisors (726295476).

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

450403404 is a wasteful number, since it uses less digits than its factorization.

450403404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 450403404 is about 21222.7096290742. The cubic root of 450403404 is about 766.5383508839.

Adding to 450403404 its reverse (404304054), we get a palindrome (854707458).

The spelling of 450403404 in words is "four hundred fifty million, four hundred three thousand, four hundred four".