1840120804 has 6 divisors (see below), whose sum is σ = 3220211414. Its totient is φ = 920060400.

The previous prime is 1840120787. The next prime is 1840120811. The reversal of 1840120804 is 4080210481.

It can be written as a sum of positive squares in only one way, i.e., 1199929600 + 640191204 = 34640^2 + 25302^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230015097 + ... + 230015104.

Almost surely, 2^1840120804 is an apocalyptic number.

It is an amenable number.

1840120804 is a deficient number, since it is larger than the sum of its proper divisors (1380090610).

1840120804 is a wasteful number, since it uses less digits than its factorization.

1840120804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460030205 (or 460030203 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 1840120804 is about 42896.6292848284. The cubic root of 1840120804 is about 1225.4119517461.

The spelling of 1840120804 in words is "one billion, eight hundred forty million, one hundred twenty thousand, eight hundred four".