1845804672 has 224 divisors, whose sum is σ = 5592137760. Its totient is φ = 606528000.

The previous prime is 1845804661. The next prime is 1845804689. The reversal of 1845804672 is 2764085481.

1845804672 is a `hidden beast` number, since 1 + 8 + 4 + 580 + 4 + 67 + 2 = 666.

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 27 ways as a sum of consecutive naturals, for example, 12223797 + ... + 12223947.

Almost surely, 2^1845804672 is an apocalyptic number.

1845804672 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 1845804672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2796068880).

1845804672 is an abundant number, since it is smaller than the sum of its proper divisors (3746333088).

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

1845804672 is an equidigital number, since it uses as much as digits as its factorization.

1845804672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 1845804672 is about 42962.8289571346. The cubic root of 1845804672 is about 1226.6723618723.

The spelling of 1845804672 in words is "one billion, eight hundred forty-five million, eight hundred four thousand, six hundred seventy-two".