808565655480 has 512 divisors, whose sum is σ = 2790541393920. Its totient is φ = 185630976000.

The previous prime is 808565655473. The next prime is 808565655503. The reversal of 808565655480 is 84556565808.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 566618527 + ... + 566619953.

It is an arithmetic number, because the mean of its divisors is an integer number (5450276160).

Almost surely, 2^808565655480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 808565655480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395270696960).

808565655480 is an abundant number, since it is smaller than the sum of its proper divisors (1981975738440).

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

808565655480 is a wasteful number, since it uses less digits than its factorization.

808565655480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 46080000, while the sum is 60.

The spelling of 808565655480 in words is "eight hundred eight billion, five hundred sixty-five million, six hundred fifty-five thousand, four hundred eighty".