804596091840 has 672 divisors, whose sum is σ = 2946329058816. Its totient is φ = 201175695360.

The previous prime is 804596091823. The next prime is 804596091847. The reversal of 804596091840 is 48190695408.

804596091840 is a `hidden beast` number, since 8 + 0 + 4 + 596 + 0 + 9 + 1 + 8 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804596091847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1232152954 + ... + 1232153606.

Almost surely, 2^804596091840 is an apocalyptic number.

804596091840 is a gapful number since it is divisible by the number (80) 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 804596091840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473164529408).

804596091840 is an abundant number, since it is smaller than the sum of its proper divisors (2141732966976).

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

804596091840 is a wasteful number, since it uses less digits than its factorization.

804596091840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 804596091840 in words is "eight hundred four billion, five hundred ninety-six million, ninety-one thousand, eight hundred forty".