188925490450 has 12 divisors (see below), whose sum is σ = 351401412330. Its totient is φ = 75570196160.

The previous prime is 188925490421. The next prime is 188925490483. The reversal of 188925490450 is 54094529881.

188925490450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 74473864201 + 114451626249 = 272899^2 + 338307^2 .

It is a junction number, because it is equal to n+sod(n) for n = 188925490391 and 188925490400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1889254855 + ... + 1889254954.

Almost surely, 2^188925490450 is an apocalyptic number.

188925490450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188925490450 is a deficient number, since it is larger than the sum of its proper divisors (162475921880).

188925490450 is a wasteful number, since it uses less digits than its factorization.

188925490450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778509821 (or 3778509816 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 188925490450 in words is "one hundred eighty-eight billion, nine hundred twenty-five million, four hundred ninety thousand, four hundred fifty".