515032230000 has 200 divisors, whose sum is σ = 1707531327568. Its totient is φ = 133629696000.

The previous prime is 515032229983. The next prime is 515032230007. The reversal of 515032230000 is 32230515.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515032230007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 878004 + ... + 1341996.

Almost surely, 2^515032230000 is an apocalyptic number.

515032230000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515032230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853765663784).

515032230000 is an abundant number, since it is smaller than the sum of its proper divisors (1192499097568).

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

515032230000 is a wasteful number, since it uses less digits than its factorization.

515032230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464061 (or 464040 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

Adding to 515032230000 its reverse (32230515), we get a palindrome (515064460515).

The spelling of 515032230000 in words is "five hundred fifteen billion, thirty-two million, two hundred thirty thousand".