9404020080 has 320 divisors, whose sum is σ = 39867448320. Its totient is φ = 1984103424.

The previous prime is 9404020079. The next prime is 9404020133. The reversal of 9404020080 is 800204049.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172639 + ... + 220481.

It is an arithmetic number, because the mean of its divisors is an integer number (124585776).

Almost surely, 2^9404020080 is an apocalyptic number.

9404020080 is a gapful number since it is divisible by the number (90) 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 9404020080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19933724160).

9404020080 is an abundant number, since it is smaller than the sum of its proper divisors (30463428240).

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

9404020080 is a wasteful number, since it uses less digits than its factorization.

9404020080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47885 (or 47873 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 9404020080 is about 96974.3269118172. The cubic root of 9404020080 is about 2110.7551095935.

The spelling of 9404020080 in words is "nine billion, four hundred four million, twenty thousand, eighty".