1804128498 has 32 divisors (see below), whose sum is σ = 4046656320. Its totient is φ = 595753920.

The previous prime is 1804128481. The next prime is 1804128517. The reversal of 1804128498 is 8948214081.

It is a super-3 number, since 3×1804128498³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150343 + ... + 161898.

It is an arithmetic number, because the mean of its divisors is an integer number (126458010).

Almost surely, 2^1804128498 is an apocalyptic number.

1804128498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1804128498 is an abundant number, since it is smaller than the sum of its proper divisors (2242527822).

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

1804128498 is a wasteful number, since it uses less digits than its factorization.

1804128498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312359 (or 312353 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 1804128498 is about 42475.0338198806. The cubic root of 1804128498 is about 1217.3697022780.

The spelling of 1804128498 in words is "one billion, eight hundred four million, one hundred twenty-eight thousand, four hundred ninety-eight".