51240231442002 has 8 divisors (see below), whose sum is σ = 102480462884016. Its totient is φ = 17080077147332.

The previous prime is 51240231441979. The next prime is 51240231442021. The reversal of 51240231442002 is 20024413204215.

It is a happy number.

51240231442002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

51240231442002 is an admirable number.

It is a super-2 number, since 2×51240231442002² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4270019286828 + ... + 4270019286839.

It is an arithmetic number, because the mean of its divisors is an integer number (12810057860502).

Almost surely, 2^{51240231442002} is an apocalyptic number.

51240231442002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51240231442002 is a wasteful number, since it uses less digits than its factorization.

51240231442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540038573672.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 51240231442002 its reverse (20024413204215), we get a palindrome (71264644646217).

The spelling of 51240231442002 in words is "fifty-one trillion, two hundred forty billion, two hundred thirty-one million, four hundred forty-two thousand, two".