516765280 has 24 divisors (see below), whose sum is σ = 1220858352. Its totient is φ = 206706048.

The previous prime is 516765253. The next prime is 516765289. The reversal of 516765280 is 82567615.

It is a super-2 number, since 2×516765280² = 534092709226956800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516765289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614732 + ... + 1615051.

It is an arithmetic number, because the mean of its divisors is an integer number (50869098).

Almost surely, 2^516765280 is an apocalyptic number.

It is an amenable number.

516765280 is an abundant number, since it is smaller than the sum of its proper divisors (704093072).

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

516765280 is a wasteful number, since it uses less digits than its factorization.

516765280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229798 (or 3229790 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 516765280 is about 22732.4719289390. The cubic root of 516765280 is about 802.4742563469.

The spelling of 516765280 in words is "five hundred sixteen million, seven hundred sixty-five thousand, two hundred eighty".