404645488450 has 24 divisors (see below), whose sum is σ = 860160696192. Its totient is φ = 138735595920.

The previous prime is 404645488441. The next prime is 404645488451. The reversal of 404645488450 is 54884546404.

It is not an unprimeable number, because it can be changed into a prime (404645488451) 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 in 11 ways as a sum of consecutive naturals, for example, 578064634 + ... + 578065333.

It is an arithmetic number, because the mean of its divisors is an integer number (35840029008).

Almost surely, 2^404645488450 is an apocalyptic number.

404645488450 is an abundant number, since it is smaller than the sum of its proper divisors (455515207742).

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

404645488450 is a wasteful number, since it uses less digits than its factorization.

404645488450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156129986 (or 1156129981 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 52.

The spelling of 404645488450 in words is "four hundred four billion, six hundred forty-five million, four hundred eighty-eight thousand, four hundred fifty".