516741240 has 64 divisors (see below), whose sum is σ = 1552037760. Its totient is φ = 137636480.

The previous prime is 516741229. The next prime is 516741241. The reversal of 516741240 is 42147615.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 516741198 and 516741207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516741241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128947 + ... + 132893.

It is an arithmetic number, because the mean of its divisors is an integer number (24250590).

Almost surely, 2^516741240 is an apocalyptic number.

It is an amenable number.

516741240 is an abundant number, since it is smaller than the sum of its proper divisors (1035296520).

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

516741240 is a wasteful number, since it uses less digits than its factorization.

516741240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052 (or 5048 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 516741240 is about 22731.9431637509. The cubic root of 516741240 is about 802.4618124121.

Adding to 516741240 its reverse (42147615), we get a palindrome (558888855).

The spelling of 516741240 in words is "five hundred sixteen million, seven hundred forty-one thousand, two hundred forty".