194954540 has 48 divisors (see below), whose sum is σ = 448598304. Its totient is φ = 70579200.

The previous prime is 194954533. The next prime is 194954563. The reversal of 194954540 is 45459491.

It is a super-2 number, since 2×194954540² = 76014545333223200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51182 + ... + 54858.

It is an arithmetic number, because the mean of its divisors is an integer number (9345798).

Almost surely, 2^194954540 is an apocalyptic number.

194954540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194954540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224299152).

194954540 is an abundant number, since it is smaller than the sum of its proper divisors (253643764).

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

194954540 is a wasteful number, since it uses less digits than its factorization.

194954540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 194954540 is about 13962.6122197818. The cubic root of 194954540 is about 579.8439334354.

The spelling of 194954540 in words is "one hundred ninety-four million, nine hundred fifty-four thousand, five hundred forty".