992144859990 has 64 divisors (see below), whose sum is σ = 2410081744896. Its totient is φ = 261357715712.

The previous prime is 992144859977. The next prime is 992144860019. The reversal of 992144859990 is 99958441299.

It is a congruent number.

It is an unprimeable number.

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, 41339434 + ... + 41363426.

It is an arithmetic number, because the mean of its divisors is an integer number (37657527264).

Almost surely, 2^992144859990 is an apocalyptic number.

992144859990 is an abundant number, since it is smaller than the sum of its proper divisors (1417936884906).

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

992144859990 is a wasteful number, since it uses less digits than its factorization.

992144859990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40693.

The product of its (nonzero) digits is 75582720, while the sum is 69.

The spelling of 992144859990 in words is "nine hundred ninety-two billion, one hundred forty-four million, eight hundred fifty-nine thousand, nine hundred ninety".