240454546643 has 16 divisors (see below), whose sum is σ = 246843484800. Its totient is φ = 234102778560.

The previous prime is 240454546597. The next prime is 240454546699. The reversal of 240454546643 is 346645454042.

It is a cyclic number.

It is not a de Polignac number, because 240454546643 - 2¹² = 240454542547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240453546643) 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, 25654748 + ... + 25664118.

It is an arithmetic number, because the mean of its divisors is an integer number (15427717800).

Almost surely, 2^240454546643 is an apocalyptic number.

240454546643 is a deficient number, since it is larger than the sum of its proper divisors (6388938157).

240454546643 is a wasteful number, since it uses less digits than its factorization.

240454546643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282.

The product of its (nonzero) digits is 5529600, while the sum is 47.

The spelling of 240454546643 in words is "two hundred forty billion, four hundred fifty-four million, five hundred forty-six thousand, six hundred forty-three".