194149882560 has 112 divisors (see below), whose sum is σ = 626531408352. Its totient is φ = 50924544000.

The previous prime is 194149882541. The next prime is 194149882561. The reversal of 194149882560 is 65288941491.

It is a self number, because there is not a number n which added to its sum of digits gives 194149882560.

It is not an unprimeable number, because it can be changed into a prime (194149882561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599141 + ... + 1716260.

Almost surely, 2^194149882560 is an apocalyptic number.

194149882560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194149882560 is an abundant number, since it is smaller than the sum of its proper divisors (432381525792).

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

194149882560 is a wasteful number, since it uses less digits than its factorization.

194149882560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315482 (or 3315472 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 194149882560 in words is "one hundred ninety-four billion, one hundred forty-nine million, eight hundred eighty-two thousand, five hundred sixty".