51303402430444 has 24 divisors (see below), whose sum is σ = 89890512687360. Its totient is φ = 25620406178256.

The previous prime is 51303402430439. The next prime is 51303402430451. The reversal of 51303402430444 is 44403420430315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27045999 + ... + 28880665.

It is an arithmetic number, because the mean of its divisors is an integer number (3745438028640).

Almost surely, 2^{51303402430444} is an apocalyptic number.

It is an amenable number.

51303402430444 is a deficient number, since it is larger than the sum of its proper divisors (38587110256916).

51303402430444 is a wasteful number, since it uses less digits than its factorization.

51303402430444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843197 (or 1843195 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 51303402430444 its reverse (44403420430315), we get a palindrome (95706822860759).

The spelling of 51303402430444 in words is "fifty-one trillion, three hundred three billion, four hundred two million, four hundred thirty thousand, four hundred forty-four".