194944450 has 12 divisors (see below), whose sum is σ = 362596770. Its totient is φ = 77977760.

The previous prime is 194944447. The next prime is 194944459. The reversal of 194944450 is 54449491.

It can be written as a sum of positive squares in 3 ways, for example, as 160757041 + 34187409 = 12679^2 + 5847^2 .

It is not an unprimeable number, because it can be changed into a prime (194944459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1949395 + ... + 1949494.

Almost surely, 2^194944450 is an apocalyptic number.

194944450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194944450 is a deficient number, since it is larger than the sum of its proper divisors (167652320).

194944450 is a wasteful number, since it uses less digits than its factorization.

194944450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898901 (or 3898896 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 194944450 is about 13962.2508930330. The cubic root of 194944450 is about 579.8339298619.

The spelling of 194944450 in words is "one hundred ninety-four million, nine hundred forty-four thousand, four hundred fifty".