818370048 has 80 divisors (see below), whose sum is σ = 2196667440. Its totient is φ = 270729216.

The previous prime is 818370037. The next prime is 818370097. The reversal of 818370048 is 840073818.

It is a junction number, because it is equal to n+sod(n) for n = 818369988 and 818370015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208488 + ... + 212376.

It is an arithmetic number, because the mean of its divisors is an integer number (27458343).

Almost surely, 2^818370048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818370048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098333720).

818370048 is an abundant number, since it is smaller than the sum of its proper divisors (1378297392).

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

818370048 is a wasteful number, since it uses less digits than its factorization.

818370048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 818370048 is about 28607.1677731299. The cubic root of 818370048 is about 935.3695806057.

The spelling of 818370048 in words is "eight hundred eighteen million, three hundred seventy thousand, forty-eight".