394610462772 has 12 divisors (see below), whose sum is σ = 920757746496. Its totient is φ = 131536820920.

The previous prime is 394610462767. The next prime is 394610462809. The reversal of 394610462772 is 277264016493.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16442102604 + ... + 16442102627.

It is an arithmetic number, because the mean of its divisors is an integer number (76729812208).

Almost surely, 2^394610462772 is an apocalyptic number.

It is an amenable number.

394610462772 is an abundant number, since it is smaller than the sum of its proper divisors (526147283724).

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

394610462772 is a wasteful number, since it uses less digits than its factorization.

394610462772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32884205238 (or 32884205236 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 394610462772 in words is "three hundred ninety-four billion, six hundred ten million, four hundred sixty-two thousand, seven hundred seventy-two".