8408404480 has 80 divisors (see below), whose sum is σ = 23040578880. Its totient is φ = 2882875392.

The previous prime is 8408404463. The next prime is 8408404483. The reversal of 8408404480 is 844048048.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (8408404483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216690 + ... + 252529.

It is an arithmetic number, because the mean of its divisors is an integer number (288007236).

Almost surely, 2^8408404480 is an apocalyptic number.

8408404480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8408404480 is an abundant number, since it is smaller than the sum of its proper divisors (14632174400).

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

8408404480 is an equidigital number, since it uses as much as digits as its factorization.

8408404480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469249 (or 469233 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The square root of 8408404480 is about 91697.3526335412. The cubic root of 8408404480 is about 2033.4704466050.

The spelling of 8408404480 in words is "eight billion, four hundred eight million, four hundred four thousand, four hundred eighty".