1804529664 has 468 divisors, whose sum is σ = 6457980984. Its totient is φ = 501645312.

The previous prime is 1804529569. The next prime is 1804529711. The reversal of 1804529664 is 4669254081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48771054 + ... + 48771090.

Almost surely, 2^1804529664 is an apocalyptic number.

1804529664 is a gapful number since it is divisible by the number (14) 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 1804529664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3228990492).

1804529664 is an abundant number, since it is smaller than the sum of its proper divisors (4653451320).

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

1804529664 is an frugal number, since it uses more digits than its factorization.

1804529664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 1804529664 is about 42479.7559315022. The cubic root of 1804529664 is about 1217.4599270303.

The spelling of 1804529664 in words is "one billion, eight hundred four million, five hundred twenty-nine thousand, six hundred sixty-four".