385835347661850 has 240 divisors, whose sum is σ = 1128526759039680. Its totient is φ = 97469668569600.

The previous prime is 385835347661833. The next prime is 385835347661927. The reversal of 385835347661850 is 58166743538583.

385835347661850 is a `hidden beast` number, since 3 + 8 + 5 + 8 + 3 + 534 + 7 + 6 + 6 + 1 + 85 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1848465490 + ... + 1848674210.

It is an arithmetic number, because the mean of its divisors is an integer number (4702194829332).

Almost surely, 2^{385835347661850} is an apocalyptic number.

385835347661850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 385835347661850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564263379519840).

385835347661850 is an abundant number, since it is smaller than the sum of its proper divisors (742691411377830).

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

385835347661850 is a wasteful number, since it uses less digits than its factorization.

385835347661850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232787 (or 232773 counting only the distinct ones).

The product of its (nonzero) digits is 1741824000, while the sum is 72.

The spelling of 385835347661850 in words is "three hundred eighty-five trillion, eight hundred thirty-five billion, three hundred forty-seven million, six hundred sixty-one thousand, eight hundred fifty".