3321264301264 has 160 divisors (see below), whose sum is σ = 8210631985920. Its totient is φ = 1265875623936.

The previous prime is 3321264301237. The next prime is 3321264301279. The reversal of 3321264301264 is 4621034621233.

It is a super-2 number, since 2×3321264301264² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19634392 + ... + 19802824.

It is an arithmetic number, because the mean of its divisors is an integer number (51316449912).

Almost surely, 2^{3321264301264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3321264301264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4105315992960).

3321264301264 is an abundant number, since it is smaller than the sum of its proper divisors (4889367684656).

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

3321264301264 is a wasteful number, since it uses less digits than its factorization.

3321264301264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168957 (or 168951 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 3321264301264 its reverse (4621034621233), we get a palindrome (7942298922497).

The spelling of 3321264301264 in words is "three trillion, three hundred twenty-one billion, two hundred sixty-four million, three hundred one thousand, two hundred sixty-four".