515489311986480 has 960 divisors, whose sum is σ = 2002353049202688. Its totient is φ = 122440542658560.

The previous prime is 515489311986449. The next prime is 515489311986497. The reversal of 515489311986480 is 84689113984515.

515489311986480 is a `hidden beast` number, since 5 + 1 + 5 + 48 + 9 + 3 + 11 + 98 + 6 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 515489311986399 and 515489311986408.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 843021012 + ... + 843632268.

Almost surely, 2^{515489311986480} 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 515489311986480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001176524601344).

515489311986480 is an abundant number, since it is smaller than the sum of its proper divisors (1486863737216208).

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

515489311986480 is a wasteful number, since it uses less digits than its factorization.

515489311986480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611416 (or 611398 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 72.

The spelling of 515489311986480 in words is "five hundred fifteen trillion, four hundred eighty-nine billion, three hundred eleven million, nine hundred eighty-six thousand, four hundred eighty".