818670048 has 144 divisors (see below), whose sum is σ = 2532660480. Its totient is φ = 230840064.

The previous prime is 818670007. The next prime is 818670049. The reversal of 818670048 is 840076818.

818670048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 818669991 and 818670009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818670049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370515 + ... + 372717.

It is an arithmetic number, because the mean of its divisors is an integer number (17587920).

Almost surely, 2^818670048 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 818670048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266330240).

818670048 is an abundant number, since it is smaller than the sum of its proper divisors (1713990432).

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

818670048 is a wasteful number, since it uses less digits than its factorization.

818670048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 818670048 is about 28612.4107338057. The cubic root of 818670048 is about 935.4838632960.

The spelling of 818670048 in words is "eight hundred eighteen million, six hundred seventy thousand, forty-eight".