326934635550 has 96 divisors (see below), whose sum is σ = 858784177152. Its totient is φ = 82026247680.

The previous prime is 326934635411. The next prime is 326934635551. The reversal of 326934635550 is 55536439623.

It is a super-2 number, since 2×326934635550² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 326934635493 and 326934635502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326934635551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8055609 + ... + 8096091.

It is an arithmetic number, because the mean of its divisors is an integer number (8945668512).

Almost surely, 2^326934635550 is an apocalyptic number.

326934635550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 326934635550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429392088576).

326934635550 is an abundant number, since it is smaller than the sum of its proper divisors (531849541602).

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

326934635550 is a wasteful number, since it uses less digits than its factorization.

326934635550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43682 (or 43677 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 51.

The spelling of 326934635550 in words is "three hundred twenty-six billion, nine hundred thirty-four million, six hundred thirty-five thousand, five hundred fifty".