9404820780 has 24 divisors (see below), whose sum is σ = 26333498352. Its totient is φ = 2507952192.

The previous prime is 9404820757. The next prime is 9404820791. The reversal of 9404820780 is 870284049.

It is an unprimeable number.

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, 78373447 + ... + 78373566.

It is an arithmetic number, because the mean of its divisors is an integer number (1097229098).

Almost surely, 2^9404820780 is an apocalyptic number.

It is an amenable number.

9404820780 is an abundant number, since it is smaller than the sum of its proper divisors (16928677572).

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

9404820780 is a wasteful number, since it uses less digits than its factorization.

9404820780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156747025 (or 156747023 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 9404820780 is about 96978.4552362018. The cubic root of 9404820780 is about 2110.8150142455.

The spelling of 9404820780 in words is "nine billion, four hundred four million, eight hundred twenty thousand, seven hundred eighty".