240672640072 has 32 divisors (see below), whose sum is σ = 462308326200. Its totient is φ = 117390937600.

The previous prime is 240672639959. The next prime is 240672640093. The reversal of 240672640072 is 270046276042.

It can be written as a sum of positive squares in 4 ways, for example, as 184671310756 + 56001329316 = 429734^2 + 236646^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4786422 + ... + 4836442.

Almost surely, 2^240672640072 is an apocalyptic number.

It is an amenable number.

240672640072 is a deficient number, since it is larger than the sum of its proper divisors (221635686128).

240672640072 is a wasteful number, since it uses less digits than its factorization.

240672640072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64737 (or 64733 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 240672640072 in words is "two hundred forty billion, six hundred seventy-two million, six hundred forty thousand, seventy-two".