516041280 has 280 divisors, whose sum is σ = 1882396032. Its totient is φ = 134120448.

The previous prime is 516041263. The next prime is 516041287. The reversal of 516041280 is 82140615.

516041280 is a `hidden beast` number, since 51 + 604 + 1 + 2 + 8 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (516041287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1114329 + ... + 1114791.

Almost surely, 2^516041280 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 516041280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941198016).

516041280 is an abundant number, since it is smaller than the sum of its proper divisors (1366354752).

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

516041280 is a wasteful number, since it uses less digits than its factorization.

516041280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 516041280 is about 22716.5419903646. The cubic root of 516041280 is about 802.0993195862.

Adding to 516041280 its reverse (82140615), we get a palindrome (598181895).

The spelling of 516041280 in words is "five hundred sixteen million, forty-one thousand, two hundred eighty".