515044210230 has 256 divisors, whose sum is σ = 1550082769920. Its totient is φ = 120594355200.

The previous prime is 515044210201. The next prime is 515044210337. The reversal of 515044210230 is 32012440515.

515044210230 is a `hidden beast` number, since 5 + 1 + 5 + 0 + 4 + 421 + 0 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 515044210194 and 515044210203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15037825 + ... + 15072035.

It is an arithmetic number, because the mean of its divisors is an integer number (6055010820).

Almost surely, 2^515044210230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515044210230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (775041384960).

515044210230 is an abundant number, since it is smaller than the sum of its proper divisors (1035038559690).

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

515044210230 is a wasteful number, since it uses less digits than its factorization.

515044210230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34412 (or 34406 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 515044210230 its reverse (32012440515), we get a palindrome (547056650745).

The spelling of 515044210230 in words is "five hundred fifteen billion, forty-four million, two hundred ten thousand, two hundred thirty".