194014920528 has 480 divisors, whose sum is σ = 691182011520. Its totient is φ = 49885839360.

The previous prime is 194014920527. The next prime is 194014920557. The reversal of 194014920528 is 825029410491.

It is a happy number.

194014920528 is a `hidden beast` number, since 1 + 94 + 0 + 14 + 9 + 20 + 528 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194014920527) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15046308 + ... + 15059196.

It is an arithmetic number, because the mean of its divisors is an integer number (1439962524).

Almost surely, 2^194014920528 is an apocalyptic number.

194014920528 is a gapful number since it is divisible by the number (18) 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 194014920528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345591005760).

194014920528 is an abundant number, since it is smaller than the sum of its proper divisors (497167090992).

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

194014920528 is a wasteful number, since it uses less digits than its factorization.

194014920528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12987 (or 12978 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 194014920528 in words is "one hundred ninety-four billion, fourteen million, nine hundred twenty thousand, five hundred twenty-eight".