804953680 has 20 divisors (see below), whose sum is σ = 1871517492. Its totient is φ = 321981440.

The previous prime is 804953651. The next prime is 804953683. The reversal of 804953680 is 86359408.

It can be written as a sum of positive squares in 2 ways, for example, as 198021184 + 606932496 = 14072^2 + 24636^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804953683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5030881 + ... + 5031040.

Almost surely, 2^804953680 is an apocalyptic number.

804953680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804953680 is an abundant number, since it is smaller than the sum of its proper divisors (1066563812).

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

804953680 is a wasteful number, since it uses less digits than its factorization.

804953680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061934 (or 10061928 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 804953680 is about 28371.7056237372. The cubic root of 804953680 is about 930.2299042355.

The spelling of 804953680 in words is "eight hundred four million, nine hundred fifty-three thousand, six hundred eighty".