394527627329472 has 1120 divisors, whose sum is σ = 1457754655053312. Its totient is φ = 102725392195584.

The previous prime is 394527627329461. The next prime is 394527627329567. The reversal of 394527627329472 is 274923726725493.

394527627329472 is a `hidden beast` number, since 3 + 9 + 4 + 5 + 2 + 7 + 62 + 73 + 29 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 394527627329472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 77252323143 + ... + 77252328249.

Almost surely, 2^{394527627329472} is an apocalyptic number.

394527627329472 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 394527627329472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728877327526656).

394527627329472 is an abundant number, since it is smaller than the sum of its proper divisors (1063227027723840).

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

394527627329472 is a wasteful number, since it uses less digits than its factorization.

394527627329472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207 (or 7188 counting only the distinct ones).

The product of its digits is 1920360960, while the sum is 72.

The spelling of 394527627329472 in words is "three hundred ninety-four trillion, five hundred twenty-seven billion, six hundred twenty-seven million, three hundred twenty-nine thousand, four hundred seventy-two".