51043230433220 has 96 divisors (see below), whose sum is σ = 116156158005888. Its totient is φ = 18766057347072.

The previous prime is 51043230433219. The next prime is 51043230433231. The reversal of 51043230433220 is 2233403234015.

It is a super-2 number, since 2×51043230433220² (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 31 ways as a sum of consecutive naturals, for example, 82925027 + ... + 83538293.

It is an arithmetic number, because the mean of its divisors is an integer number (1209959979228).

Almost surely, 2^{51043230433220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51043230433220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58078079002944).

51043230433220 is an abundant number, since it is smaller than the sum of its proper divisors (65112927572668).

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

51043230433220 is a wasteful number, since it uses less digits than its factorization.

51043230433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619029 (or 619027 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 51043230433220 its reverse (2233403234015), we get a palindrome (53276633667235).

The spelling of 51043230433220 in words is "fifty-one trillion, forty-three billion, two hundred thirty million, four hundred thirty-three thousand, two hundred twenty".