804501040 has 80 divisors (see below), whose sum is σ = 2250213120. Its totient is φ = 261308160.

The previous prime is 804501029. The next prime is 804501073. The reversal of 804501040 is 40105408.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×804501040² = 1294443846722163200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27166 + ... + 48445.

It is an arithmetic number, because the mean of its divisors is an integer number (28127664).

Almost surely, 2^804501040 is an apocalyptic number.

804501040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804501040 is an abundant number, since it is smaller than the sum of its proper divisors (1445712080).

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

804501040 is a wasteful number, since it uses less digits than its factorization.

804501040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75650 (or 75644 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 804501040 is about 28363.7275406460. The cubic root of 804501040 is about 930.0555098481.

Adding to 804501040 its reverse (40105408), we get a palindrome (844606448).

The spelling of 804501040 in words is "eight hundred four million, five hundred one thousand, forty".