320340413442 has 48 divisors (see below), whose sum is σ = 745330345632. Its totient is φ = 91519868160.

The previous prime is 320340413431. The next prime is 320340413557. The reversal of 320340413442 is 244314043023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6571017 + ... + 6619587.

It is an arithmetic number, because the mean of its divisors is an integer number (15527715534).

Almost surely, 2^320340413442 is an apocalyptic number.

320340413442 is an abundant number, since it is smaller than the sum of its proper divisors (424989932190).

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

320340413442 is a wasteful number, since it uses less digits than its factorization.

320340413442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71023 (or 71016 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 320340413442 its reverse (244314043023), we get a palindrome (564654456465).

The spelling of 320340413442 in words is "three hundred twenty billion, three hundred forty million, four hundred thirteen thousand, four hundred forty-two".