9404256384 has 256 divisors, whose sum is σ = 29897424000. Its totient is φ = 2899279872.

The previous prime is 9404256373. The next prime is 9404256431. The reversal of 9404256384 is 4836524049.

9404256384 is a `hidden beast` number, since 9 + 4 + 0 + 4 + 2 + 5 + 638 + 4 = 666.

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, 3465012 + ... + 3467724.

Almost surely, 2^9404256384 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 9404256384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14948712000).

9404256384 is an abundant number, since it is smaller than the sum of its proper divisors (20493167616).

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

9404256384 is a wasteful number, since it uses less digits than its factorization.

9404256384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 9404256384 is about 96975.5452884901. The cubic root of 9404256384 is about 2110.7727891140.

It can be divided in two parts, 94042 and 56384, that added together give a triangular number (150426 = T₅₄₈).

The spelling of 9404256384 in words is "nine billion, four hundred four million, two hundred fifty-six thousand, three hundred eighty-four".