320210010040 has 32 divisors (see below), whose sum is σ = 722234106000. Its totient is φ = 127770833664.

The previous prime is 320210010019. The next prime is 320210010041. The reversal of 320210010040 is 40010012023.

It is a self number, because there is not a number n which added to its sum of digits gives 320210010040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320210010041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9770010 + ... + 9802729.

Almost surely, 2^320210010040 is an apocalyptic number.

It is an amenable number.

320210010040 is an abundant number, since it is smaller than the sum of its proper divisors (402024095960).

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

320210010040 is a wasteful number, since it uses less digits than its factorization.

320210010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573159 (or 19573155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 320210010040 its reverse (40010012023), we get a palindrome (360220022063).

The spelling of 320210010040 in words is "three hundred twenty billion, two hundred ten million, ten thousand, forty".