1804049864 has 64 divisors (see below), whose sum is σ = 3609144000. Its totient is φ = 843897600.

The previous prime is 1804049861. The next prime is 1804049869. The reversal of 1804049864 is 4689404081.

It is not an unprimeable number, because it can be changed into a prime (1804049861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1386014 + ... + 1387314.

It is an arithmetic number, because the mean of its divisors is an integer number (56392875).

Almost surely, 2^1804049864 is an apocalyptic number.

It is an amenable number.

1804049864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1804049864 is a wasteful number, since it uses less digits than its factorization.

1804049864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 1804049864 is about 42474.1081601486. The cubic root of 1804049864 is about 1217.3520154299.

The spelling of 1804049864 in words is "one billion, eight hundred four million, forty-nine thousand, eight hundred sixty-four".