324226665378 has 450 divisors, whose sum is σ = 942955157067. Its totient is φ = 83200083120.

The previous prime is 324226665353. The next prime is 324226665431. The reversal of 324226665378 is 873566622423.

It can be written as a sum of positive squares in only one way, i.e., 162113332689 + 162113332689 = 402633^2 + 402633^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=402633.

It is a super-4 number, since 4×324226665378⁴ (a number of 47 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 224 ways as a sum of consecutive naturals, for example, 3906345325 + ... + 3906345407.

Almost surely, 2^324226665378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324226665378

324226665378 is an abundant number, since it is smaller than the sum of its proper divisors (618728491689).

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

324226665378 is an frugal number, since it uses more digits than its factorization.

324226665378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 106 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 324226665378 in words is "three hundred twenty-four billion, two hundred twenty-six million, six hundred sixty-five thousand, three hundred seventy-eight".