3220742423424 has 128 divisors (see below), whose sum is σ = 9185921614080. Its totient is φ = 996197457920.

The previous prime is 3220742423411. The next prime is 3220742423449. The reversal of 3220742423424 is 4243242470223.

It is a tau number, because it is divible by the number of its divisors (128).

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, 3010974 + ... + 3937949.

It is an arithmetic number, because the mean of its divisors is an integer number (71765012610).

Almost surely, 2^{3220742423424} is an apocalyptic number.

3220742423424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3220742423424 is an abundant number, since it is smaller than the sum of its proper divisors (5965179190656).

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

3220742423424 is a wasteful number, since it uses less digits than its factorization.

3220742423424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6949028 (or 6949016 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 39.

Adding to 3220742423424 its reverse (4243242470223), we get a palindrome (7463984893647).

The spelling of 3220742423424 in words is "three trillion, two hundred twenty billion, seven hundred forty-two million, four hundred twenty-three thousand, four hundred twenty-four".