65440012424 has 32 divisors (see below), whose sum is σ = 125922837600. Its totient is φ = 31863511680.

The previous prime is 65440012403. The next prime is 65440012487. The reversal of 65440012424 is 42421004456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954 + ... + 361785.

It is an arithmetic number, because the mean of its divisors is an integer number (3935088675).

Almost surely, 2^65440012424 is an apocalyptic number.

It is an amenable number.

65440012424 is a deficient number, since it is larger than the sum of its proper divisors (60482825176).

65440012424 is a wasteful number, since it uses less digits than its factorization.

65440012424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365333 (or 365329 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 65440012424 in words is "sixty-five billion, four hundred forty million, twelve thousand, four hundred twenty-four".