325740668137424 has 80 divisors (see below), whose sum is σ = 669202971601920. Its totient is φ = 153330411939840.

The previous prime is 325740668137421. The next prime is 325740668137487. The reversal of 325740668137424 is 424731866047523.

It is a super-2 number, since 2×325740668137424² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325740668137421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106381832 + ... + 109400984.

It is an arithmetic number, because the mean of its divisors is an integer number (8365037145024).

Almost surely, 2^{325740668137424} 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 325740668137424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334601485800960).

325740668137424 is an abundant number, since it is smaller than the sum of its proper divisors (343462303464496).

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

325740668137424 is a wasteful number, since it uses less digits than its factorization.

325740668137424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025108 (or 3025102 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 62.

The spelling of 325740668137424 in words is "three hundred twenty-five trillion, seven hundred forty billion, six hundred sixty-eight million, one hundred thirty-seven thousand, four hundred twenty-four".