394049310732 has 576 divisors, whose sum is σ = 1335259054080. Its totient is φ = 99332956800.

The previous prime is 394049310713. The next prime is 394049310763. The reversal of 394049310732 is 237013940493.

394049310732 is a `hidden beast` number, since 3 + 94 + 0 + 493 + 1 + 0 + 73 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 276913773 + ... + 276915195.

It is an arithmetic number, because the mean of its divisors is an integer number (2318158080).

Almost surely, 2^394049310732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394049310732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667629527040).

394049310732 is an abundant number, since it is smaller than the sum of its proper divisors (941209743348).

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

394049310732 is a wasteful number, since it uses less digits than its factorization.

394049310732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 394049310732 in words is "three hundred ninety-four billion, forty-nine million, three hundred ten thousand, seven hundred thirty-two".