992217140090 has 32 divisors (see below), whose sum is σ = 1949678484480. Its totient is φ = 360560894400.

The previous prime is 992217140077. The next prime is 992217140099. The reversal of 992217140090 is 90041712299.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (992217140099) 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 15 ways as a sum of consecutive naturals, for example, 2904185 + ... + 3227804.

It is an arithmetic number, because the mean of its divisors is an integer number (60927452640).

Almost surely, 2^992217140090 is an apocalyptic number.

992217140090 is a deficient number, since it is larger than the sum of its proper divisors (957461344390).

992217140090 is a wasteful number, since it uses less digits than its factorization.

992217140090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133478.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 992217140090 in words is "nine hundred ninety-two billion, two hundred seventeen million, one hundred forty thousand, ninety".