9041243990 has 32 divisors (see below), whose sum is σ = 16362479520. Its totient is φ = 3596937984.

The previous prime is 9041243831. The next prime is 9041244001. The reversal of 9041243990 is 993421409.

It is a super-2 number, since 2×9041243990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711994 + ... + 1717266.

It is an arithmetic number, because the mean of its divisors is an integer number (511327485).

Almost surely, 2^9041243990 is an apocalyptic number.

9041243990 is a deficient number, since it is larger than the sum of its proper divisors (7321235530).

9041243990 is a wasteful number, since it uses less digits than its factorization.

9041243990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6176.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 9041243990 is about 95085.4562485767. The cubic root of 9041243990 is about 2083.2564244817.

The spelling of 9041243990 in words is "nine billion, forty-one million, two hundred forty-three thousand, nine hundred ninety".