1804452330 has 32 divisors (see below), whose sum is σ = 4331974464. Its totient is φ = 481044096.

The previous prime is 1804452329. The next prime is 1804452347. The reversal of 1804452330 is 332544081.

It is a super-2 number, since 2×1804452330² = 6512096422484857800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 127782 + ... + 141198.

It is an arithmetic number, because the mean of its divisors is an integer number (135374202).

Almost surely, 2^1804452330 is an apocalyptic number.

1804452330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1804452330 is an abundant number, since it is smaller than the sum of its proper divisors (2527522134).

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

1804452330 is a wasteful number, since it uses less digits than its factorization.

1804452330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17910.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1804452330 is about 42478.8456764070. The cubic root of 1804452330 is about 1217.4425351686.

The spelling of 1804452330 in words is "one billion, eight hundred four million, four hundred fifty-two thousand, three hundred thirty".