601872721872 has 40 divisors (see below), whose sum is σ = 1554908422944. Its totient is φ = 200615136384.

The previous prime is 601872721861. The next prime is 601872721889. The reversal of 601872721872 is 278127278106.

It is a congruent number.

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, 829198 + ... + 1375250.

Almost surely, 2^601872721872 is an apocalyptic number.

It is an amenable number.

601872721872 is an abundant number, since it is smaller than the sum of its proper divisors (953035701072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

601872721872 is a wasteful number, since it uses less digits than its factorization.

601872721872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569027 (or 569021 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 51.

Adding to 601872721872 its reverse (278127278106), we get a palindrome (879999999978).

The spelling of 601872721872 in words is "six hundred one billion, eight hundred seventy-two million, seven hundred twenty-one thousand, eight hundred seventy-two".