326172426467536 has 40 divisors (see below), whose sum is σ = 689465275871328. Its totient is φ = 148248285360000.

The previous prime is 326172426467509. The next prime is 326172426467551. The reversal of 326172426467536 is 635764624271623.

It is a super-2 number, since 2×326172426467536² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 72230455 + ... + 76613206.

Almost surely, 2^{326172426467536} is an apocalyptic number.

It is an amenable number.

326172426467536 is an abundant number, since it is smaller than the sum of its proper divisors (363292849403792).

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

326172426467536 is a wasteful number, since it uses less digits than its factorization.

326172426467536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148856131 (or 148856125 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 64.

The spelling of 326172426467536 in words is "three hundred twenty-six trillion, one hundred seventy-two billion, four hundred twenty-six million, four hundred sixty-seven thousand, five hundred thirty-six".