515034130400 has 72 divisors (see below), whose sum is σ = 1300683235320. Its totient is φ = 198909724160.

The previous prime is 515034130397. The next prime is 515034130409. The reversal of 515034130400 is 4031430515.

It is a self number, because there is not a number n which added to its sum of digits gives 515034130400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515034130409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11076674 + ... + 11123073.

It is an arithmetic number, because the mean of its divisors is an integer number (18065044935).

Almost surely, 2^515034130400 is an apocalyptic number.

515034130400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

515034130400 is an abundant number, since it is smaller than the sum of its proper divisors (785649104920).

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

515034130400 is a wasteful number, since it uses less digits than its factorization.

515034130400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199796 (or 22199783 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 515034130400 its reverse (4031430515), we get a palindrome (519065560915).

The spelling of 515034130400 in words is "five hundred fifteen billion, thirty-four million, one hundred thirty thousand, four hundred".