394545160548 has 840 divisors, whose sum is σ = 1357833375360. Its totient is φ = 99378679680.

The previous prime is 394545160531. The next prime is 394545160619. The reversal of 394545160548 is 845061545493.

394545160548 is a `hidden beast` number, since 3 + 9 + 45 + 4 + 51 + 6 + 0 + 548 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 394545160494 and 394545160503.

It is an unprimeable number.

It is a polite number, since it can be written in 279 ways as a sum of consecutive naturals, for example, 3619680318 + ... + 3619680426.

It is an arithmetic number, because the mean of its divisors is an integer number (1616468304).

Almost surely, 2^394545160548 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 394545160548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678916687680).

394545160548 is an abundant number, since it is smaller than the sum of its proper divisors (963288214812).

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

394545160548 is a wasteful number, since it uses less digits than its factorization.

394545160548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 394545160548 in words is "three hundred ninety-four billion, five hundred forty-five million, one hundred sixty thousand, five hundred forty-eight".