818053980 has 48 divisors (see below), whose sum is σ = 2300175360. Its totient is φ = 217231168.

The previous prime is 818053969. The next prime is 818054021. The reversal of 818053980 is 89350818.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14184 + ... + 42863.

It is an arithmetic number, because the mean of its divisors is an integer number (47920320).

Almost surely, 2^818053980 is an apocalyptic number.

It is an amenable number.

818053980 is an abundant number, since it is smaller than the sum of its proper divisors (1482121380).

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

818053980 is a wasteful number, since it uses less digits than its factorization.

818053980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57298 (or 57296 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 818053980 is about 28601.6429598022. The cubic root of 818053980 is about 935.2491467173.

The spelling of 818053980 in words is "eight hundred eighteen million, fifty-three thousand, nine hundred eighty".