818454827412 has 24 divisors (see below), whose sum is σ = 2121919923200. Its totient is φ = 272818275768.

The previous prime is 818454827371. The next prime is 818454827423. The reversal of 818454827412 is 214728454818.

818454827412 is a `hidden beast` number, since 8 + 1 + 84 + 5 + 482 + 74 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3789142612 + ... + 3789142827.

Almost surely, 2^818454827412 is an apocalyptic number.

It is an amenable number.

818454827412 is an abundant number, since it is smaller than the sum of its proper divisors (1303465095788).

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

818454827412 is a wasteful number, since it uses less digits than its factorization.

818454827412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7578285452 (or 7578285444 counting only the distinct ones).

The product of its digits is 4587520, while the sum is 54.

The spelling of 818454827412 in words is "eight hundred eighteen billion, four hundred fifty-four million, eight hundred twenty-seven thousand, four hundred twelve".