285417340194 has 192 divisors, whose sum is σ = 688807335168. Its totient is φ = 77215057920.

The previous prime is 285417340193. The next prime is 285417340207. The reversal of 285417340194 is 491043714582.

It is not an unprimeable number, because it can be changed into a prime (285417340193) 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, 462588574 + ... + 462589190.

It is an arithmetic number, because the mean of its divisors is an integer number (3587538204).

Almost surely, 2^285417340194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285417340194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344403667584).

285417340194 is an abundant number, since it is smaller than the sum of its proper divisors (403389994974).

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

285417340194 is a wasteful number, since it uses less digits than its factorization.

285417340194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 285417340194 in words is "two hundred eighty-five billion, four hundred seventeen million, three hundred forty thousand, one hundred ninety-four".