51214045430 has 32 divisors (see below), whose sum is σ = 95357999520. Its totient is φ = 19788537600.

The previous prime is 51214045429. The next prime is 51214045439. The reversal of 51214045430 is 3454041215.

It is a super-2 number, since 2×51214045430² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51214045393 and 51214045402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51214045439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446471 + ... + 549330.

It is an arithmetic number, because the mean of its divisors is an integer number (2979937485).

Almost surely, 2^51214045430 is an apocalyptic number.

51214045430 is a deficient number, since it is larger than the sum of its proper divisors (44143954090).

51214045430 is a wasteful number, since it uses less digits than its factorization.

51214045430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995984.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 51214045430 its reverse (3454041215), we get a palindrome (54668086645).

The spelling of 51214045430 in words is "fifty-one billion, two hundred fourteen million, forty-five thousand, four hundred thirty".