394869650112 has 588 divisors, whose sum is σ = 1383753555576. Its totient is φ = 111407063040.

The previous prime is 394869650101. The next prime is 394869650129. The reversal of 394869650112 is 211056968493.

394869650112 is a `hidden beast` number, since 3 + 9 + 48 + 6 + 96 + 501 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (588).

It is a super-2 number, since 2×394869650112² (a number of 24 digits) contains 22 as substring.

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 83 ways as a sum of consecutive naturals, for example, 189748912 + ... + 189750992.

Almost surely, 2^394869650112 is an apocalyptic number.

394869650112 is a gapful number since it is divisible by the number (32) 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 394869650112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691876777788).

394869650112 is an abundant number, since it is smaller than the sum of its proper divisors (988883905464).

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

394869650112 is an equidigital number, since it uses as much as digits as its factorization.

394869650112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208 (or 2176 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 394869650112 in words is "three hundred ninety-four billion, eight hundred sixty-nine million, six hundred fifty thousand, one hundred twelve".