321326325740 has 24 divisors (see below), whose sum is σ = 771183182112. Its totient is φ = 110169025920.

The previous prime is 321326325731. The next prime is 321326325751. The reversal of 321326325740 is 47523623123.

It is a super-2 number, since 2×321326325740² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321326325694 and 321326325703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147593881 + ... + 1147594160.

It is an arithmetic number, because the mean of its divisors is an integer number (32132632588).

Almost surely, 2^321326325740 is an apocalyptic number.

It is an amenable number.

321326325740 is an abundant number, since it is smaller than the sum of its proper divisors (449856856372).

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

321326325740 is a wasteful number, since it uses less digits than its factorization.

321326325740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295188057 (or 2295188055 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

Adding to 321326325740 its reverse (47523623123), we get a palindrome (368849948863).

The spelling of 321326325740 in words is "three hundred twenty-one billion, three hundred twenty-six million, three hundred twenty-five thousand, seven hundred forty".