326002026261 has 4 divisors (see below), whose sum is σ = 434669368352. Its totient is φ = 217334684172.

The previous prime is 326002026247. The next prime is 326002026269. The reversal of 326002026261 is 162620200623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 326002026261 - 2²⁷ = 325867808533 is a prime.

It is a super-2 number, since 2×326002026261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326002026269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54333671041 + ... + 54333671046.

It is an arithmetic number, because the mean of its divisors is an integer number (108667342088).

Almost surely, 2^326002026261 is an apocalyptic number.

It is an amenable number.

326002026261 is a deficient number, since it is larger than the sum of its proper divisors (108667342091).

326002026261 is a wasteful number, since it uses less digits than its factorization.

326002026261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108667342090.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 326002026261 its reverse (162620200623), we get a palindrome (488622226884).

The spelling of 326002026261 in words is "three hundred twenty-six billion, two million, twenty-six thousand, two hundred sixty-one".