9042009042 has 64 divisors (see below), whose sum is σ = 20070799488. Its totient is φ = 2692800000.

The previous prime is 9042009019. The next prime is 9042009049. The reversal of 9042009042 is 2409002409.

9042009042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9042009049) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 908292 + ... + 918192.

It is an arithmetic number, because the mean of its divisors is an integer number (313606242).

Almost surely, 2^9042009042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9042009042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10035399744).

9042009042 is an abundant number, since it is smaller than the sum of its proper divisors (11028790446).

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

9042009042 is a wasteful number, since it uses less digits than its factorization.

9042009042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9042009042 is about 95089.4791341292. The cubic root of 9042009042 is about 2083.3151831564.

It can be divided in two parts, 904200 and 9042, that multiplied together give a square (8175776400 = 90420²).

The spelling of 9042009042 in words is "nine billion, forty-two million, nine thousand, forty-two".