818595012 has 96 divisors (see below), whose sum is σ = 2091962880. Its totient is φ = 248244480.

The previous prime is 818595007. The next prime is 818595023. The reversal of 818595012 is 210595818.

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, 625663 + ... + 626969.

It is an arithmetic number, because the mean of its divisors is an integer number (21791280).

Almost surely, 2^818595012 is an apocalyptic number.

818595012 is a gapful number since it is divisible by the number (82) 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 818595012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045981440).

818595012 is an abundant number, since it is smaller than the sum of its proper divisors (1273367868).

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

818595012 is a wasteful number, since it uses less digits than its factorization.

818595012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 818595012 is about 28611.0994545823. The cubic root of 818595012 is about 935.4552815281.

The spelling of 818595012 in words is "eight hundred eighteen million, five hundred ninety-five thousand, twelve".