320321246440412 has 48 divisors (see below), whose sum is σ = 692586478832640. Its totient is φ = 126540236342592.

The previous prime is 320321246440387. The next prime is 320321246440439. The reversal of 320321246440412 is 214044642123023.

It is a super-2 number, since 2×320321246440412² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8136569588 + ... + 8136608955.

It is an arithmetic number, because the mean of its divisors is an integer number (14428884975680).

Almost surely, 2^{320321246440412} is an apocalyptic number.

It is an amenable number.

320321246440412 is an abundant number, since it is smaller than the sum of its proper divisors (372265232392228).

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

320321246440412 is a wasteful number, since it uses less digits than its factorization.

320321246440412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16273178610 (or 16273178608 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 320321246440412 its reverse (214044642123023), we get a palindrome (534365888563435).

The spelling of 320321246440412 in words is "three hundred twenty trillion, three hundred twenty-one billion, two hundred forty-six million, four hundred forty thousand, four hundred twelve".