804113540 has 24 divisors (see below), whose sum is σ = 1689811200. Its totient is φ = 321422048.

The previous prime is 804113507. The next prime is 804113543. The reversal of 804113540 is 45311408.

It is a super-2 number, since 2×804113540² = 1293197170422663200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (804113543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17261 + ... + 43659.

It is an arithmetic number, because the mean of its divisors is an integer number (70408800).

Almost surely, 2^804113540 is an apocalyptic number.

It is an amenable number.

804113540 is an abundant number, since it is smaller than the sum of its proper divisors (885697660).

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

804113540 is a wasteful number, since it uses less digits than its factorization.

804113540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27931 (or 27929 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 804113540 is about 28356.8958103668. The cubic root of 804113540 is about 929.9061608019.

Adding to 804113540 its reverse (45311408), we get a palindrome (849424948).

The spelling of 804113540 in words is "eight hundred four million, one hundred thirteen thousand, five hundred forty".