1804098816 has 432 divisors, whose sum is σ = 6071170560. Its totient is φ = 510935040.

The previous prime is 1804098809. The next prime is 1804098823. The reversal of 1804098816 is 6188904081.

It is an interprime number because it is at equal distance from previous prime (1804098809) and next prime (1804098823).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26926815 + ... + 26926881.

Almost surely, 2^1804098816 is an apocalyptic number.

1804098816 is a gapful number since it is divisible by the number (16) 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 1804098816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3035585280).

1804098816 is an abundant number, since it is smaller than the sum of its proper divisors (4267071744).

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

1804098816 is a wasteful number, since it uses less digits than its factorization.

1804098816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 1804098816 is about 42474.6844131890. The cubic root of 1804098816 is about 1217.3630260784.

It can be divided in two parts, 180409 and 8816, that added together give a square (189225 = 435²).

The spelling of 1804098816 in words is "one billion, eight hundred four million, ninety-eight thousand, eight hundred sixteen".