9439255420 has 96 divisors (see below), whose sum is σ = 23113359360. Its totient is φ = 3171087360.

The previous prime is 9439255391. The next prime is 9439255439. The reversal of 9439255420 is 245529349.

It is a congruent number.

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, 2781925 + ... + 2785315.

It is an arithmetic number, because the mean of its divisors is an integer number (240764160).

Almost surely, 2^9439255420 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 9439255420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11556679680).

9439255420 is an abundant number, since it is smaller than the sum of its proper divisors (13674103940).

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

9439255420 is a wasteful number, since it uses less digits than its factorization.

9439255420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 9439255420 is about 97155.8306021826. The cubic root of 9439255420 is about 2113.3880431015.

The spelling of 9439255420 in words is "nine billion, four hundred thirty-nine million, two hundred fifty-five thousand, four hundred twenty".