324840661509 has 128 divisors (see below), whose sum is σ = 557657210880. Its totient is φ = 163586304000.

The previous prime is 324840661493. The next prime is 324840661511. The reversal of 324840661509 is 905166048423.

It is not a de Polignac number, because 324840661509 - 2⁴ = 324840661493 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324840661909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 335925744 + ... + 335926710.

It is an arithmetic number, because the mean of its divisors is an integer number (4356696960).

Almost surely, 2^324840661509 is an apocalyptic number.

324840661509 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

324840661509 is a deficient number, since it is larger than the sum of its proper divisors (232816549371).

324840661509 is a wasteful number, since it uses less digits than its factorization.

324840661509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 324840661509 in words is "three hundred twenty-four billion, eight hundred forty million, six hundred sixty-one thousand, five hundred nine".