194109480 has 128 divisors (see below), whose sum is σ = 651110400. Its totient is φ = 51436800.

The previous prime is 194109413. The next prime is 194109497. The reversal of 194109480 is 84901491.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205810 + ... + 206750.

It is an arithmetic number, because the mean of its divisors is an integer number (5086800).

Almost surely, 2^194109480 is an apocalyptic number.

194109480 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 194109480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325555200).

194109480 is an abundant number, since it is smaller than the sum of its proper divisors (457000920).

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

194109480 is a wasteful number, since it uses less digits than its factorization.

194109480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 194109480 is about 13932.3178258321. The cubic root of 194109480 is about 579.0049128419.

The spelling of 194109480 in words is "one hundred ninety-four million, one hundred nine thousand, four hundred eighty".