51202440006 has 32 divisors (see below), whose sum is σ = 103206007008. Its totient is φ = 16934088960.

The previous prime is 51202440001. The next prime is 51202440007. The reversal of 51202440006 is 60004420215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51202440001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672396 + ... + 1702736.

It is an arithmetic number, because the mean of its divisors is an integer number (3225187719).

Almost surely, 2^51202440006 is an apocalyptic number.

51202440006 is an abundant number, since it is smaller than the sum of its proper divisors (52003567002).

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

51202440006 is a wasteful number, since it uses less digits than its factorization.

51202440006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32536.

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 51202440006 in words is "fifty-one billion, two hundred two million, four hundred forty thousand, six".