520476030 has 40 divisors (see below), whose sum is σ = 1399504392. Its totient is φ = 138793392.

The previous prime is 520476023. The next prime is 520476037. The reversal of 520476030 is 30674025.

It is a happy number.

520476030 is a `hidden beast` number, since 52 + 0 + 4 + 7 + 603 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (520476023) and next prime (520476037).

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 520475985 and 520476003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520476037) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 320472 + ... + 322091.

Almost surely, 2^520476030 is an apocalyptic number.

520476030 is an abundant number, since it is smaller than the sum of its proper divisors (879028362).

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

520476030 is a wasteful number, since it uses less digits than its factorization.

520476030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642582 (or 642573 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 520476030 is about 22813.9437625326. The cubic root of 520476030 is about 804.3904597091.

The spelling of 520476030 in words is "five hundred twenty million, four hundred seventy-six thousand, thirty".