261424460322 has 24 divisors (see below), whose sum is σ = 566471683440. Its totient is φ = 87133483800.

The previous prime is 261424460321. The next prime is 261424460389. The reversal of 261424460322 is 223064424162.

261424460322 is a `hidden beast` number, since 2 + 6 + 1 + 4 + 2 + 44 + 603 + 2 + 2 = 666.

261424460322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (261424460321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 463804 + ... + 859047.

It is an arithmetic number, because the mean of its divisors is an integer number (23602986810).

Almost surely, 2^261424460322 is an apocalyptic number.

261424460322 is an abundant number, since it is smaller than the sum of its proper divisors (305047223118).

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

261424460322 is a wasteful number, since it uses less digits than its factorization.

261424460322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333838 (or 1333835 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 261424460322 its reverse (223064424162), we get a palindrome (484488884484).

The spelling of 261424460322 in words is "two hundred sixty-one billion, four hundred twenty-four million, four hundred sixty thousand, three hundred twenty-two".