520443960 has 32 divisors (see below), whose sum is σ = 1561332240. Its totient is φ = 138785024.

The previous prime is 520443919. The next prime is 520443983. The reversal of 520443960 is 69344025.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168397 + ... + 2168636.

Almost surely, 2^520443960 is an apocalyptic number.

It is an amenable number.

520443960 is an abundant number, since it is smaller than the sum of its proper divisors (1040888280).

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

520443960 is a wasteful number, since it uses less digits than its factorization.

520443960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337047 (or 4337043 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 520443960 is about 22813.2408920784. The cubic root of 520443960 is about 804.3739380824.

Adding to 520443960 its reverse (69344025), we get a palindrome (589787985).

The spelling of 520443960 in words is "five hundred twenty million, four hundred forty-three thousand, nine hundred sixty".