520441740 has 576 divisors, whose sum is σ = 2171836800. Its totient is φ = 102187008.

The previous prime is 520441739. The next prime is 520441751. The reversal of 520441740 is 47144025.

520441740 is a `hidden beast` number, since 5 + 204 + 417 + 40 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5847616 + ... + 5847704.

It is an arithmetic number, because the mean of its divisors is an integer number (3770550).

Almost surely, 2^520441740 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 520441740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085918400).

520441740 is an abundant number, since it is smaller than the sum of its proper divisors (1651395060).

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

520441740 is a wasteful number, since it uses less digits than its factorization.

520441740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 520441740 is about 22813.1922360725. The cubic root of 520441740 is about 804.3727943713.

Adding to 520441740 its reverse (47144025), we get a palindrome (567585765).

The spelling of 520441740 in words is "five hundred twenty million, four hundred forty-one thousand, seven hundred forty".