804555322560 has 1120 divisors, whose sum is σ = 3334354771968. Its totient is φ = 181985771520.

The previous prime is 804555322559. The next prime is 804555322579. The reversal of 804555322560 is 65223555408.

804555322560 is a `hidden beast` number, since 8 + 0 + 4 + 5 + 55 + 32 + 2 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 615573427 + ... + 615574733.

Almost surely, 2^804555322560 is an apocalyptic number.

804555322560 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 804555322560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667177385984).

804555322560 is an abundant number, since it is smaller than the sum of its proper divisors (2529799449408).

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

804555322560 is a wasteful number, since it uses less digits than its factorization.

804555322560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

Adding to 804555322560 its reverse (65223555408), we get a palindrome (869778877968).

The spelling of 804555322560 in words is "eight hundred four billion, five hundred fifty-five million, three hundred twenty-two thousand, five hundred sixty".