51424032144 has 40 divisors (see below), whose sum is σ = 134135190592. Its totient is φ = 16974921600.

The previous prime is 51424032131. The next prime is 51424032169. The reversal of 51424032144 is 44123042415.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5195707 + ... + 5205594.

Almost surely, 2^51424032144 is an apocalyptic number.

It is an amenable number.

51424032144 is an abundant number, since it is smaller than the sum of its proper divisors (82711158448).

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

51424032144 is a wasteful number, since it uses less digits than its factorization.

51424032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401415 (or 10401409 counting only the distinct ones).

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

Adding to 51424032144 its reverse (44123042415), we get a palindrome (95547074559).

The spelling of 51424032144 in words is "fifty-one billion, four hundred twenty-four million, thirty-two thousand, one hundred forty-four".