194487480 has 384 divisors, whose sum is σ = 764225280. Its totient is φ = 43960320.

The previous prime is 194487473. The next prime is 194487499. The reversal of 194487480 is 84784491.

194487480 is a `hidden beast` number, since 1 + 94 + 4 + 87 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1817587 + ... + 1817693.

It is an arithmetic number, because the mean of its divisors is an integer number (1990170).

Almost surely, 2^194487480 is an apocalyptic number.

194487480 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 194487480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382112640).

194487480 is an abundant number, since it is smaller than the sum of its proper divisors (569737800).

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

194487480 is a wasteful number, since it uses less digits than its factorization.

194487480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 194487480 is about 13945.8768100109. The cubic root of 194487480 is about 579.3805117771.

The spelling of 194487480 in words is "one hundred ninety-four million, four hundred eighty-seven thousand, four hundred eighty".