240454564591 has 2 divisors, whose sum is σ = 240454564592. Its totient is φ = 240454564590.

The previous prime is 240454564583. The next prime is 240454564631. The reversal of 240454564591 is 195465454042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240454564591 - 2³ = 240454564583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240454564541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120227282295 + 120227282296.

It is an arithmetic number, because the mean of its divisors is an integer number (120227282296).

Almost surely, 2^240454564591 is an apocalyptic number.

240454564591 is a deficient number, since it is larger than the sum of its proper divisors (1).

240454564591 is an equidigital number, since it uses as much as digits as its factorization.

240454564591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 240454564591 in words is "two hundred forty billion, four hundred fifty-four million, five hundred sixty-four thousand, five hundred ninety-one".