520980000 has 240 divisors, whose sum is σ = 1802797920. Its totient is φ = 131328000.

The previous prime is 520979993. The next prime is 520980001. The reversal of 520980000 is 89025.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520980001) 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, 1139772 + ... + 1140228.

It is an arithmetic number, because the mean of its divisors is an integer number (7511658).

Almost surely, 2^520980000 is an apocalyptic number.

520980000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520980000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901398960).

520980000 is an abundant number, since it is smaller than the sum of its proper divisors (1281817920).

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

520980000 is a wasteful number, since it uses less digits than its factorization.

520980000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 520980000 is about 22824.9863088677. The cubic root of 520980000 is about 804.6500028086.

The spelling of 520980000 in words is "five hundred twenty million, nine hundred eighty thousand".