519960740 has 96 divisors (see below), whose sum is σ = 1213561440. Its totient is φ = 185942016.

The previous prime is 519960739. The next prime is 519960743. The reversal of 519960740 is 47069915.

It can be written as a sum of positive squares in 16 ways, for example, as 220463104 + 299497636 = 14848^2 + 17306^2 .

It is a super-2 number, since 2×519960740² = 540718342282695200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (519960743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1336466 + ... + 1336854.

It is an arithmetic number, because the mean of its divisors is an integer number (12641265).

Almost surely, 2^519960740 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 519960740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (606780720).

519960740 is an abundant number, since it is smaller than the sum of its proper divisors (693600700).

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

519960740 is a wasteful number, since it uses less digits than its factorization.

519960740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 519960740 is about 22802.6476532880. The cubic root of 519960740 is about 804.1249135555.

The spelling of 519960740 in words is "five hundred nineteen million, nine hundred sixty thousand, seven hundred forty".