51245441234 has 32 divisors (see below), whose sum is σ = 87368232000. Its totient is φ = 22347710784.

The previous prime is 51245441227. The next prime is 51245441243. The reversal of 51245441234 is 43214454215.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51245441194 and 51245441203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50372 + ... + 324080.

It is an arithmetic number, because the mean of its divisors is an integer number (2730257250).

Almost surely, 2^51245441234 is an apocalyptic number.

51245441234 is a deficient number, since it is larger than the sum of its proper divisors (36122790766).

51245441234 is a wasteful number, since it uses less digits than its factorization.

51245441234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274122.

The product of its digits is 76800, while the sum is 35.

Adding to 51245441234 its reverse (43214454215), we get a palindrome (94459895449).

The spelling of 51245441234 in words is "fifty-one billion, two hundred forty-five million, four hundred forty-one thousand, two hundred thirty-four".