9280808840 has 16 divisors (see below), whose sum is σ = 20881819980. Its totient is φ = 3712323520.

The previous prime is 9280808813. The next prime is 9280808843. The reversal of 9280808840 is 488080829.

It can be written as a sum of positive squares in 2 ways, for example, as 8923069444 + 357739396 = 94462^2 + 18914^2 .

It is a super-2 number, since 2×9280808840² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9280808843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116010071 + ... + 116010150.

Almost surely, 2^9280808840 is an apocalyptic number.

It is an amenable number.

9280808840 is an abundant number, since it is smaller than the sum of its proper divisors (11601011140).

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

9280808840 is a wasteful number, since it uses less digits than its factorization.

9280808840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232020232 (or 232020228 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 9280808840 is about 96336.9546954854. The cubic root of 9280808840 is about 2101.4962005570.

The spelling of 9280808840 in words is "nine billion, two hundred eighty million, eight hundred eight thousand, eight hundred forty".