9438162280 has 64 divisors (see below), whose sum is σ = 21946755600. Its totient is φ = 3650519040.

The previous prime is 9438162247. The next prime is 9438162299. The reversal of 9438162280 is 822618349.

9438162280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 270865764 + 9167296516 = 16458^2 + 95746^2 .

It is a super-2 number, since 2×9438162280² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159856 + ... + 210784.

Almost surely, 2^9438162280 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 9438162280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10973377800).

9438162280 is an abundant number, since it is smaller than the sum of its proper divisors (12508593320).

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

9438162280 is a wasteful number, since it uses less digits than its factorization.

9438162280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51094 (or 51090 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 9438162280 is about 97150.2047347302. The cubic root of 9438162280 is about 2113.3064576343.

The spelling of 9438162280 in words is "nine billion, four hundred thirty-eight million, one hundred sixty-two thousand, two hundred eighty".