6465520722324 has 96 divisors (see below), whose sum is σ = 16167840506496. Its totient is φ = 2003743498240.

The previous prime is 6465520722317. The next prime is 6465520722337. The reversal of 6465520722324 is 4232270255646.

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, 236983564 + ... + 237010844.

It is an arithmetic number, because the mean of its divisors is an integer number (168415005276).

Almost surely, 2^{6465520722324} 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 6465520722324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8083920253248).

6465520722324 is an abundant number, since it is smaller than the sum of its proper divisors (9702319784172).

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

6465520722324 is a wasteful number, since it uses less digits than its factorization.

6465520722324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41385 (or 41383 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 6465520722324 in words is "six trillion, four hundred sixty-five billion, five hundred twenty million, seven hundred twenty-two thousand, three hundred twenty-four".