1804405248 has 120 divisors (see below), whose sum is σ = 5400883488. Its totient is φ = 601426944.

The previous prime is 1804405231. The next prime is 1804405297. The reversal of 1804405248 is 8425044081.

1804405248 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 405 + 248 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117165 + ... + 131667.

Almost surely, 2^1804405248 is an apocalyptic number.

1804405248 is a gapful number since it is divisible by the number (18) 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 1804405248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2700441744).

1804405248 is an abundant number, since it is smaller than the sum of its proper divisors (3596478240).

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

1804405248 is an frugal number, since it uses more digits than its factorization.

1804405248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14536 (or 14508 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 1804405248 is about 42478.2914910664. The cubic root of 1804405248 is about 1217.4319465213.

The spelling of 1804405248 in words is "one billion, eight hundred four million, four hundred five thousand, two hundred forty-eight".