261412440326 has 8 divisors (see below), whose sum is σ = 393680886984. Its totient is φ = 130185478000.

The previous prime is 261412440319. The next prime is 261412440337. The reversal of 261412440326 is 623044214162.

261412440326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260370455 + ... + 260371458.

It is an arithmetic number, because the mean of its divisors is an integer number (49210110873).

Almost surely, 2^261412440326 is an apocalyptic number.

261412440326 is a deficient number, since it is larger than the sum of its proper divisors (132268446658).

261412440326 is a wasteful number, since it uses less digits than its factorization.

261412440326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520742166.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 261412440326 its reverse (623044214162), we get a palindrome (884456654488).

The spelling of 261412440326 in words is "two hundred sixty-one billion, four hundred twelve million, four hundred forty thousand, three hundred twenty-six".