1804040352 has 144 divisors (see below), whose sum is σ = 5395670280. Its totient is φ = 570931200.

The previous prime is 1804040333. The next prime is 1804040353. The reversal of 1804040352 is 2530404081.

It can be written as a sum of positive squares in 4 ways, for example, as 1013530896 + 790509456 = 31836^2 + 28116^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (1804040353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507702 + ... + 511242.

Almost surely, 2^1804040352 is an apocalyptic number.

1804040352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804040352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697835140).

1804040352 is an abundant number, since it is smaller than the sum of its proper divisors (3591629928).

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

1804040352 is a wasteful number, since it uses less digits than its factorization.

1804040352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647 (or 3636 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1804040352 is about 42473.9961859018. The cubic root of 1804040352 is about 1217.3498758969.

The spelling of 1804040352 in words is "one billion, eight hundred four million, forty thousand, three hundred fifty-two".