1804607840 has 192 divisors, whose sum is σ = 5174668800. Its totient is φ = 580939776.

The previous prime is 1804607813. The next prime is 1804607843. The reversal of 1804607840 is 487064081.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 1804607794 and 1804607803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804607843) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2915051 + ... + 2915669.

It is an arithmetic number, because the mean of its divisors is an integer number (26951400).

Almost surely, 2^1804607840 is an apocalyptic number.

1804607840 is a gapful number since it is divisible by the number (10) 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 1804607840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587334400).

1804607840 is an abundant number, since it is smaller than the sum of its proper divisors (3370060960).

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

1804607840 is a wasteful number, since it uses less digits than its factorization.

1804607840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 1804607840 is about 42480.6760774826. The cubic root of 1804607840 is about 1217.4775077467.

The spelling of 1804607840 in words is "one billion, eight hundred four million, six hundred seven thousand, eight hundred forty".