51443244234416 has 40 divisors (see below), whose sum is σ = 101078325216000. Its totient is φ = 25358538219840.

The previous prime is 51443244234409. The next prime is 51443244234433. The reversal of 51443244234416 is 61443244234415.

It is a super-2 number, since 2×51443244234416² (a number of 28 digits) contains 22 as substring.

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, 35782235 + ... + 37192133.

It is an arithmetic number, because the mean of its divisors is an integer number (2526958130400).

Almost surely, 2^{51443244234416} is an apocalyptic number.

It is an amenable number.

51443244234416 is a deficient number, since it is larger than the sum of its proper divisors (49635080981584).

51443244234416 is a wasteful number, since it uses less digits than its factorization.

51443244234416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442097 (or 1442091 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 47.

Subtracting 51443244234416 from its reverse (61443244234415), we obtain a palindrome (9999999999999).

The spelling of 51443244234416 in words is "fifty-one trillion, four hundred forty-three billion, two hundred forty-four million, two hundred thirty-four thousand, four hundred sixteen".