190565425444 has 27 divisors (see below), whose sum is σ = 335755285243. Its totient is φ = 94639692248.

The previous prime is 190565425441. The next prime is 190565425517. The reversal of 190565425444 is 444524565091.

The square root of 190565425444 is 436538.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190565425441) 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 8 ways as a sum of consecutive naturals, for example, 145803039 + ... + 145804345.

Almost surely, 2^190565425444 is an apocalyptic number.

190565425444 is the 436538-th square number.

It is an amenable number.

190565425444 is a deficient number, since it is larger than the sum of its proper divisors (145189859799).

190565425444 is an frugal number, since it uses more digits than its factorization.

190565425444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 49.

Multiplying 190565425444 by its sum of digits (49), we get a square (9337705846756 = 3055766²).

The spelling of 190565425444 in words is "one hundred ninety billion, five hundred sixty-five million, four hundred twenty-five thousand, four hundred forty-four".