99242639443600 has 45 divisors (see below), whose sum is σ = 238430919941193. Its totient is φ = 39696976080960.

The previous prime is 99242639443567. The next prime is 99242639443679. The reversal of 99242639443600 is 634493624299.

The square root of 99242639443600 is 9962060.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 35727350199696 + 63515289243904 = 5977236^2 + 7969648^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 198992149 + ... + 199490251.

Almost surely, 2^{99242639443600} is an apocalyptic number.

99242639443600 is the 9962060-th square number.

It is an amenable number.

99242639443600 is an abundant number, since it is smaller than the sum of its proper divisors (139188280497593).

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

99242639443600 is an frugal number, since it uses more digits than its factorization.

99242639443600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996224 (or 498110 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 61.

The spelling of 99242639443600 in words is "ninety-nine trillion, two hundred forty-two billion, six hundred thirty-nine million, four hundred forty-three thousand, six hundred".