393444102002 has 32 divisors (see below), whose sum is σ = 714187393920. Its totient is φ = 158691974400.

The previous prime is 393444102001. The next prime is 393444102013. The reversal of 393444102002 is 200201444393.

It is a super-2 number, since 2×393444102002² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 393444102002.

It is not an unprimeable number, because it can be changed into a prime (393444102001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7119377 + ... + 7174427.

It is an arithmetic number, because the mean of its divisors is an integer number (22318356060).

Almost surely, 2^393444102002 is an apocalyptic number.

393444102002 is a deficient number, since it is larger than the sum of its proper divisors (320743291918).

393444102002 is a wasteful number, since it uses less digits than its factorization.

393444102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85106.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 393444102002 its reverse (200201444393), we get a palindrome (593645546395).

The spelling of 393444102002 in words is "three hundred ninety-three billion, four hundred forty-four million, one hundred two thousand, two".