520008412 has 48 divisors (see below), whose sum is σ = 1162264320. Its totient is φ = 197654400.

The previous prime is 520008409. The next prime is 520008431. The reversal of 520008412 is 214800025.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7962 + ... + 33217.

It is an arithmetic number, because the mean of its divisors is an integer number (24213840).

Almost surely, 2^520008412 is an apocalyptic number.

It is an amenable number.

520008412 is an abundant number, since it is smaller than the sum of its proper divisors (642255908).

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

520008412 is a wasteful number, since it uses less digits than its factorization.

520008412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41242 (or 41240 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 520008412 is about 22803.6929465383. The cubic root of 520008412 is about 804.1494878925.

Adding to 520008412 its reverse (214800025), we get a palindrome (734808437).

The spelling of 520008412 in words is "five hundred twenty million, eight thousand, four hundred twelve".