9090824990 has 32 divisors (see below), whose sum is σ = 17635907520. Its totient is φ = 3354004224.

The previous prime is 9090824983. The next prime is 9090824993. The reversal of 9090824990 is 994280909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090824993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144962 + ... + 197978.

It is an arithmetic number, because the mean of its divisors is an integer number (551122110).

Almost surely, 2^9090824990 is an apocalyptic number.

9090824990 is a deficient number, since it is larger than the sum of its proper divisors (8545082530).

9090824990 is a wasteful number, since it uses less digits than its factorization.

9090824990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54356.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 9090824990 is about 95345.8178946513. The cubic root of 9090824990 is about 2087.0575865241.

The spelling of 9090824990 in words is "nine billion, ninety million, eight hundred twenty-four thousand, nine hundred ninety".