804263040 has 512 divisors, whose sum is σ = 3339072000. Its totient is φ = 179159040.

The previous prime is 804262961. The next prime is 804263041. The reversal of 804263040 is 40362408.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 804262995 and 804263013.

It is not an unprimeable number, because it can be changed into a prime (804263041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7378506 + ... + 7378614.

It is an arithmetic number, because the mean of its divisors is an integer number (6521625).

Almost surely, 2^804263040 is an apocalyptic number.

804263040 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 804263040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1669536000).

804263040 is an abundant number, since it is smaller than the sum of its proper divisors (2534808960).

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

804263040 is a wasteful number, since it uses less digits than its factorization.

804263040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 804263040 is about 28359.5317309719. The cubic root of 804263040 is about 929.9637863110.

The spelling of 804263040 in words is "eight hundred four million, two hundred sixty-three thousand, forty".