520279848 has 160 divisors (see below), whose sum is σ = 1624613760. Its totient is φ = 154206720.

The previous prime is 520279847. The next prime is 520279889. The reversal of 520279848 is 848972025.

It is a super-3 number, since 3×520279848³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (520279843) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 334240 + ... + 335792.

It is an arithmetic number, because the mean of its divisors is an integer number (10153836).

Almost surely, 2^520279848 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 520279848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812306880).

520279848 is an abundant number, since it is smaller than the sum of its proper divisors (1104333912).

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

520279848 is a wasteful number, since it uses less digits than its factorization.

520279848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 520279848 is about 22809.6437499580. The cubic root of 520279848 is about 804.2893812402.

The spelling of 520279848 in words is "five hundred twenty million, two hundred seventy-nine thousand, eight hundred forty-eight".