326267113536 has 1120 divisors, whose sum is σ = 1270174752000. Its totient is φ = 80406577152.

The previous prime is 326267113531. The next prime is 326267113591. The reversal of 326267113536 is 635311762623.

It is a happy number.

326267113536 is a `hidden beast` number, since 3 + 2 + 626 + 7 + 1 + 13 + 5 + 3 + 6 = 666.

It is a super-2 number, since 2×326267113536² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 326267113491 and 326267113500.

It is not an unprimeable number, because it can be changed into a prime (326267113531) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 797718900 + ... + 797719308.

It is an arithmetic number, because the mean of its divisors is an integer number (1134084600).

Almost surely, 2^326267113536 is an apocalyptic number.

326267113536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326267113536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635087376000).

326267113536 is an abundant number, since it is smaller than the sum of its proper divisors (943907638464).

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

326267113536 is a wasteful number, since it uses less digits than its factorization.

326267113536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 542 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The spelling of 326267113536 in words is "three hundred twenty-six billion, two hundred sixty-seven million, one hundred thirteen thousand, five hundred thirty-six".