515234100480 has 288 divisors, whose sum is σ = 1857027634560. Its totient is φ = 120597872640.

The previous prime is 515234100463. The next prime is 515234100551. The reversal of 515234100480 is 84001432515.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 1014654 + ... + 1435266.

It is an arithmetic number, because the mean of its divisors is an integer number (6448012620).

Almost surely, 2^515234100480 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 515234100480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928513817280).

515234100480 is an abundant number, since it is smaller than the sum of its proper divisors (1341793534080).

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

515234100480 is a wasteful number, since it uses less digits than its factorization.

515234100480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420677 (or 420663 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 515234100480 its reverse (84001432515), we get a palindrome (599235532995).

The spelling of 515234100480 in words is "five hundred fifteen billion, two hundred thirty-four million, one hundred thousand, four hundred eighty".