194940450 has 36 divisors (see below), whose sum is σ = 523741218. Its totient is φ = 51984000.

The previous prime is 194940401. The next prime is 194940461. The reversal of 194940450 is 54049491.

It is a happy number.

194940450 is digitally balanced in base 2, 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 110061081 + 84879369 = 10491^2 + 9213^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 216151 + ... + 217050.

Almost surely, 2^194940450 is an apocalyptic number.

194940450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194940450 is an abundant number, since it is smaller than the sum of its proper divisors (328800768).

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

194940450 is a wasteful number, since it uses less digits than its factorization.

194940450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433219 (or 433211 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 194940450 is about 13962.1076489189. The cubic root of 194940450 is about 579.8299640286.

The spelling of 194940450 in words is "one hundred ninety-four million, nine hundred forty thousand, four hundred fifty".