808445100 has 72 divisors (see below), whose sum is σ = 2346756048. Its totient is φ = 214880000.

The previous prime is 808445069. The next prime is 808445123. The reversal of 808445100 is 1544808.

808445100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90850 + ... + 99350.

It is an arithmetic number, because the mean of its divisors is an integer number (32593834).

Almost surely, 2^808445100 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 808445100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173378024).

808445100 is an abundant number, since it is smaller than the sum of its proper divisors (1538310948).

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

808445100 is a wasteful number, since it uses less digits than its factorization.

808445100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8835 (or 8828 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 808445100 is about 28433.1690108577. The cubic root of 808445100 is about 931.5728961507.

Adding to 808445100 its reverse (1544808), we get a palindrome (809989908).

The spelling of 808445100 in words is "eight hundred eight million, four hundred forty-five thousand, one hundred".