394868736000 has 960 divisors, whose sum is σ = 1507323941760. Its totient is φ = 101921587200.

The previous prime is 394868735993. The next prime is 394868736107. The reversal of 394868736000 is 637868493.

394868736000 is a `hidden beast` number, since 39 + 486 + 8 + 73 + 60 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2045951904 + ... + 2045952096.

It is an arithmetic number, because the mean of its divisors is an integer number (1570129106).

Almost surely, 2^394868736000 is an apocalyptic number.

394868736000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394868736000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753661970880).

394868736000 is an abundant number, since it is smaller than the sum of its proper divisors (1112455205760).

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

394868736000 is an equidigital number, since it uses as much as digits as its factorization.

394868736000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 394868736000 in words is "three hundred ninety-four billion, eight hundred sixty-eight million, seven hundred thirty-six thousand".