10404020808 has 96 divisors (see below), whose sum is σ = 30700245600. Its totient is φ = 3263986944.

The previous prime is 10404020761. The next prime is 10404020821. The reversal of 10404020808 is 80802040401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20910 + ... + 145757.

It is an arithmetic number, because the mean of its divisors is an integer number (319794225).

Almost surely, 2^10404020808 is an apocalyptic number.

10404020808 is a gapful number since it is divisible by the number (18) 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 10404020808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15350122800).

10404020808 is an abundant number, since it is smaller than the sum of its proper divisors (20296224792).

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

10404020808 is a wasteful number, since it uses less digits than its factorization.

10404020808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166716 (or 166689 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The spelling of 10404020808 in words is "ten billion, four hundred four million, twenty thousand, eight hundred eight".