190287788826256 has 105 divisors (see below), whose sum is σ = 405707412433171. Its totient is φ = 86461066815200.

The previous prime is 190287788826221. The next prime is 190287788826337. The reversal of 190287788826256 is 652628887782091.

The square root of 190287788826256 is 13794484.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 73441831521 + ... + 73441834111.

Almost surely, 2^{190287788826256} is an apocalyptic number.

190287788826256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

190287788826256 is the 13794484-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190287788826256

190287788826256 is an abundant number, since it is smaller than the sum of its proper divisors (215419623606915).

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

190287788826256 is an frugal number, since it uses more digits than its factorization.

190287788826256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 2601123840, while the sum is 79.

The spelling of 190287788826256 in words is "one hundred ninety trillion, two hundred eighty-seven billion, seven hundred eighty-eight million, eight hundred twenty-six thousand, two hundred fifty-six".