806104550450680 has 128 divisors (see below), whose sum is σ = 2006130249406080. Its totient is φ = 289581860505600.

The previous prime is 806104550450677. The next prime is 806104550450711. The reversal of 806104550450680 is 86054055401608.

It is a super-2 number, since 2×806104550450680² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452347405 + ... + 454125955.

It is an arithmetic number, because the mean of its divisors is an integer number (15672892573485).

Almost surely, 2^{806104550450680} 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 806104550450680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003065124703040).

806104550450680 is an abundant number, since it is smaller than the sum of its proper divisors (1200025698955400).

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

806104550450680 is a wasteful number, since it uses less digits than its factorization.

806104550450680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802169 (or 1802165 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 52.

The spelling of 806104550450680 in words is "eight hundred six trillion, one hundred four billion, five hundred fifty million, four hundred fifty thousand, six hundred eighty".