818054490 has 32 divisors (see below), whose sum is σ = 2141816256. Its totient is φ = 198316160.

The previous prime is 818054477. The next prime is 818054513. The reversal of 818054490 is 94450818.

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, 1239147 + ... + 1239806.

It is an arithmetic number, because the mean of its divisors is an integer number (66931758).

Almost surely, 2^818054490 is an apocalyptic number.

818054490 is an abundant number, since it is smaller than the sum of its proper divisors (1323761766).

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

818054490 is a wasteful number, since it uses less digits than its factorization.

818054490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478974.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 818054490 is about 28601.6518753725. The cubic root of 818054490 is about 935.2493410716.

The spelling of 818054490 in words is "eight hundred eighteen million, fifty-four thousand, four hundred ninety".