340424023116561 has 16 divisors (see below), whose sum is σ = 458325999532224. Its totient is φ = 224737413076224.

The previous prime is 340424023116557. The next prime is 340424023116581. The reversal of 340424023116561 is 165611320424043.

It is not a de Polignac number, because 340424023116561 - 2² = 340424023116557 is a prime.

It is a super-3 number, since 3×340424023116561³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (340424023116581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213624076 + ... + 215211741.

It is an arithmetic number, because the mean of its divisors is an integer number (28645374970764).

Almost surely, 2^{340424023116561} is an apocalyptic number.

It is an amenable number.

340424023116561 is a deficient number, since it is larger than the sum of its proper divisors (117901976415663).

340424023116561 is a wasteful number, since it uses less digits than its factorization.

340424023116561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428838400.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 340424023116561 in words is "three hundred forty trillion, four hundred twenty-four billion, twenty-three million, one hundred sixteen thousand, five hundred sixty-one".