394581248050 has 288 divisors, whose sum is σ = 877645858320. Its totient is φ = 131383296000.

The previous prime is 394581248027. The next prime is 394581248059. The reversal of 394581248050 is 50842185493.

It can be written as a sum of positive squares in 24 ways, for example, as 9534936609 + 385046311441 = 97647^2 + 620521^2 .

It is a super-3 number, since 3×394581248050³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 394581247985 and 394581248003.

It is not an unprimeable number, because it can be changed into a prime (394581248059) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 683849362 + ... + 683849938.

Almost surely, 2^394581248050 is an apocalyptic number.

394581248050 is an abundant number, since it is smaller than the sum of its proper divisors (483064610270).

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

394581248050 is a wasteful number, since it uses less digits than its factorization.

394581248050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 394581248050 in words is "three hundred ninety-four billion, five hundred eighty-one million, two hundred forty-eight thousand, fifty".