520276736 has 72 divisors (see below), whose sum is σ = 1193041920. Its totient is φ = 221819904.

The previous prime is 520276727. The next prime is 520276741. The reversal of 520276736 is 637672025.

It is a self number, because there is not a number n which added to its sum of digits gives 520276736.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 406145 + ... + 407423.

Almost surely, 2^520276736 is an apocalyptic number.

520276736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520276736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596520960).

520276736 is an abundant number, since it is smaller than the sum of its proper divisors (672765184).

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

520276736 is a wasteful number, since it uses less digits than its factorization.

520276736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 520276736 is about 22809.5755330957. The cubic root of 520276736 is about 804.2877776458.

The spelling of 520276736 in words is "five hundred twenty million, two hundred seventy-six thousand, seven hundred thirty-six".