512234054444 has 48 divisors (see below), whose sum is σ = 1079446905600. Its totient is φ = 207770412096.

The previous prime is 512234054419. The next prime is 512234054447. The reversal of 512234054444 is 444450432215.

It is a super-2 number, since 2×512234054444² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 512234054398 and 512234054407.

It is not an unprimeable number, because it can be changed into a prime (512234054447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69662 + ... + 1014554.

It is an arithmetic number, because the mean of its divisors is an integer number (22488477200).

Almost surely, 2^512234054444 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 512234054444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539723452800).

512234054444 is an abundant number, since it is smaller than the sum of its proper divisors (567212851156).

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

512234054444 is a wasteful number, since it uses less digits than its factorization.

512234054444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945942 (or 945940 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 512234054444 its reverse (444450432215), we get a palindrome (956684486659).

The spelling of 512234054444 in words is "five hundred twelve billion, two hundred thirty-four million, fifty-four thousand, four hundred forty-four".