520288470 has 144 divisors (see below), whose sum is σ = 1486779840. Its totient is φ = 126157824.

The previous prime is 520288441. The next prime is 520288511. The reversal of 520288470 is 74882025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1201374 + ... + 1201806.

It is an arithmetic number, because the mean of its divisors is an integer number (10324860).

Almost surely, 2^520288470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520288470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743389920).

520288470 is an abundant number, since it is smaller than the sum of its proper divisors (966491370).

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

520288470 is a wasteful number, since it uses less digits than its factorization.

520288470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 520288470 is about 22809.8327481812. The cubic root of 520288470 is about 804.2938240702.

The spelling of 520288470 in words is "five hundred twenty million, two hundred eighty-eight thousand, four hundred seventy".