394336263152 has 20 divisors (see below), whose sum is σ = 822797780280. Its totient is φ = 182001352128.

The previous prime is 394336263151. The next prime is 394336263161. The reversal of 394336263152 is 251362633493.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 394336263097 and 394336263106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394336263151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947923502 + ... + 947923917.

It is an arithmetic number, because the mean of its divisors is an integer number (41139889014).

Almost surely, 2^394336263152 is an apocalyptic number.

It is an amenable number.

394336263152 is an abundant number, since it is smaller than the sum of its proper divisors (428461517128).

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

394336263152 is a wasteful number, since it uses less digits than its factorization.

394336263152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895847440 (or 1895847434 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 47.

The spelling of 394336263152 in words is "three hundred ninety-four billion, three hundred thirty-six million, two hundred sixty-three thousand, one hundred fifty-two".