9042187320 has 96 divisors (see below), whose sum is σ = 29433287520. Its totient is φ = 2407461120.

The previous prime is 9042187313. The next prime is 9042187331. The reversal of 9042187320 is 237812409.

It is a super-2 number, since 2×9042187320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213510 + ... + 252330.

It is an arithmetic number, because the mean of its divisors is an integer number (306596745).

Almost surely, 2^9042187320 is an apocalyptic number.

9042187320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9042187320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14716643760).

9042187320 is an abundant number, since it is smaller than the sum of its proper divisors (20391100200).

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

9042187320 is a wasteful number, since it uses less digits than its factorization.

9042187320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39485 (or 39478 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9042187320 is about 95090.4165518271. The cubic root of 9042187320 is about 2083.3288750553.

Adding to 9042187320 its reverse (237812409), we get a palindrome (9279999729).

The spelling of 9042187320 in words is "nine billion, forty-two million, one hundred eighty-seven thousand, three hundred twenty".