1804465441 has 9 divisors (see below), whose sum is σ = 1826086899. Its totient is φ = 1783098504.

The previous prime is 1804465423. The next prime is 1804465447. The reversal of 1804465441 is 1445644081.

The square root of 1804465441 is 42479.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1209300625 + 595164816 = 34775^2 + 24396^2 .

It is not a de Polignac number, because 1804465441 - 2⁵ = 1804465409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1804465441.

It is not an unprimeable number, because it can be changed into a prime (1804465447) 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 8 ways as a sum of consecutive naturals, for example, 4545055 + ... + 4545451.

Almost surely, 2^1804465441 is an apocalyptic number.

1804465441 is the 42479-th square number.

1804465441 is the 21240-th centered octagonal number.

It is an amenable number.

1804465441 is a deficient number, since it is larger than the sum of its proper divisors (21621458).

1804465441 is an frugal number, since it uses more digits than its factorization.

1804465441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The cubic root of 1804465441 is about 1217.4454837734.

The spelling of 1804465441 in words is "one billion, eight hundred four million, four hundred sixty-five thousand, four hundred forty-one".