194670972000 has 768 divisors, whose sum is σ = 729127526400. Its totient is φ = 50432716800.

The previous prime is 194670971993. The next prime is 194670972019. The reversal of 194670972000 is 279076491.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 872963889 + ... + 872964111.

It is an arithmetic number, because the mean of its divisors is an integer number (949384800).

Almost surely, 2^194670972000 is an apocalyptic number.

194670972000 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 194670972000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364563763200).

194670972000 is an abundant number, since it is smaller than the sum of its proper divisors (534456554400).

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

194670972000 is a wasteful number, since it uses less digits than its factorization.

194670972000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 194670972000 in words is "one hundred ninety-four billion, six hundred seventy million, nine hundred seventy-two thousand".