240425344509 has 16 divisors (see below), whose sum is σ = 378995617920. Its totient is φ = 132648465600.

The previous prime is 240425344487. The next prime is 240425344529. The reversal of 240425344509 is 905443524042.

It is not a de Polignac number, because 240425344509 - 2⁵ = 240425344477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240425344529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197392942 + ... + 197394159.

It is an arithmetic number, because the mean of its divisors is an integer number (23687226120).

Almost surely, 2^240425344509 is an apocalyptic number.

240425344509 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

240425344509 is a deficient number, since it is larger than the sum of its proper divisors (138570273411).

240425344509 is a wasteful number, since it uses less digits than its factorization.

240425344509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394787140.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 240425344509 in words is "two hundred forty billion, four hundred twenty-five million, three hundred forty-four thousand, five hundred nine".