1804245312 has 112 divisors (see below), whose sum is σ = 4894226432. Its totient is φ = 586414080.

The previous prime is 1804245293. The next prime is 1804245323. The reversal of 1804245312 is 2135424081.

It is a super-2 number, since 2×1804245312² = 6510602291747954688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1804245312.

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 15 ways as a sum of consecutive naturals, for example, 1486818 + ... + 1488030.

Almost surely, 2^1804245312 is an apocalyptic number.

1804245312 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 1804245312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2447113216).

1804245312 is an abundant number, since it is smaller than the sum of its proper divisors (3089981120).

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

1804245312 is a wasteful number, since it uses less digits than its factorization.

1804245312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1804245312 is about 42476.4088877579. The cubic root of 1804245312 is about 1217.3959758602.

Adding to 1804245312 its reverse (2135424081), we get a palindrome (3939669393).

The spelling of 1804245312 in words is "one billion, eight hundred four million, two hundred forty-five thousand, three hundred twelve".