9042442500 has 240 divisors, whose sum is σ = 32452112000. Its totient is φ = 1907712000.

The previous prime is 9042442447. The next prime is 9042442531. The reversal of 9042442500 is 52442409.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 675876 + ... + 689124.

Almost surely, 2^9042442500 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 9042442500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16226056000).

9042442500 is an abundant number, since it is smaller than the sum of its proper divisors (23409669500).

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

9042442500 is a wasteful number, since it uses less digits than its factorization.

9042442500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13296 (or 13279 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 9042442500 is about 95091.7583179531. The cubic root of 9042442500 is about 2083.3484727789.

Adding to 9042442500 its reverse (52442409), we get a palindrome (9094884909).

The spelling of 9042442500 in words is "nine billion, forty-two million, four hundred forty-two thousand, five hundred".