51000140024 has 32 divisors (see below), whose sum is σ = 102999072000. Its totient is φ = 23596144992.

The previous prime is 51000140021. The next prime is 51000140053. The reversal of 51000140024 is 42004100015.

It is a junction number, because it is equal to n+sod(n) for n = 51000139984 and 51000140011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51000140021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894944 + ... + 3908015.

It is an arithmetic number, because the mean of its divisors is an integer number (3218721000).

Almost surely, 2^51000140024 is an apocalyptic number.

It is an amenable number.

51000140024 is an abundant number, since it is smaller than the sum of its proper divisors (51998931976).

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

51000140024 is a wasteful number, since it uses less digits than its factorization.

51000140024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803027 (or 7803023 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 51000140024 its reverse (42004100015), we get a palindrome (93004240039).

The spelling of 51000140024 in words is "fifty-one billion, one hundred forty thousand, twenty-four".