418728648 has 32 divisors (see below), whose sum is σ = 1127347200. Its totient is φ = 128839488.

The previous prime is 418728643. The next prime is 418728679. The reversal of 418728648 is 846827814.

It is a junction number, because it is equal to n+sod(n) for n = 418728597 and 418728606.

It is not an unprimeable number, because it can be changed into a prime (418728641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670728 + ... + 671351.

It is an arithmetic number, because the mean of its divisors is an integer number (35229600).

Almost surely, 2^418728648 is an apocalyptic number.

It is an amenable number.

418728648 is an abundant number, since it is smaller than the sum of its proper divisors (708618552).

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

418728648 is a wasteful number, since it uses less digits than its factorization.

418728648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342101 (or 1342097 counting only the distinct ones).

The product of its digits is 688128, while the sum is 48.

The square root of 418728648 is about 20462.8602106353. The cubic root of 418728648 is about 748.1308406387.

The spelling of 418728648 in words is "four hundred eighteen million, seven hundred twenty-eight thousand, six hundred forty-eight".