804788040 has 128 divisors (see below), whose sum is σ = 2811490560. Its totient is φ = 180470784.

The previous prime is 804788029. The next prime is 804788051. The reversal of 804788040 is 40887408.

It is an interprime number because it is at equal distance from previous prime (804788029) and next prime (804788051).

It is a self number, because there is not a number n which added to its sum of digits gives 804788040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35482 + ... + 53558.

It is an arithmetic number, because the mean of its divisors is an integer number (21964770).

Almost surely, 2^804788040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 804788040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405745280).

804788040 is an abundant number, since it is smaller than the sum of its proper divisors (2006702520).

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

804788040 is a wasteful number, since it uses less digits than its factorization.

804788040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18151 (or 18147 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 804788040 is about 28368.7863681195. The cubic root of 804788040 is about 930.1660935860.

The spelling of 804788040 in words is "eight hundred four million, seven hundred eighty-eight thousand, forty".