321361047037264 has 80 divisors (see below), whose sum is σ = 710070140602368. Its totient is φ = 139577092356096.

The previous prime is 321361047037183. The next prime is 321361047037343. The reversal of 321361047037264 is 462730740163123.

It is a happy number.

It is a super-2 number, since 2×321361047037264² (a number of 30 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 15 ways as a sum of consecutive naturals, for example, 20404669 + ... + 32543395.

Almost surely, 2^{321361047037264} is an apocalyptic number.

321361047037264 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321361047037264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355035070301184).

321361047037264 is an abundant number, since it is smaller than the sum of its proper divisors (388709093565104).

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

321361047037264 is a wasteful number, since it uses less digits than its factorization.

321361047037264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146252 (or 12146246 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 321361047037264 in words is "three hundred twenty-one trillion, three hundred sixty-one billion, forty-seven million, thirty-seven thousand, two hundred sixty-four".