518484020 has 24 divisors (see below), whose sum is σ = 1152865224. Its totient is φ = 195193856.

The previous prime is 518483993. The next prime is 518484047. The reversal of 518484020 is 20484815.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (518483993) and next prime (518484047).

It can be written as a sum of positive squares in 4 ways, for example, as 58553104 + 459930916 = 7652^2 + 21446^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762137 + ... + 762816.

It is an arithmetic number, because the mean of its divisors is an integer number (48036051).

Almost surely, 2^518484020 is an apocalyptic number.

It is an amenable number.

518484020 is an abundant number, since it is smaller than the sum of its proper divisors (634381204).

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

518484020 is a wasteful number, since it uses less digits than its factorization.

518484020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524979 (or 1524977 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 518484020 is about 22770.2441796306. The cubic root of 518484020 is about 803.3629372576.

The spelling of 518484020 in words is "five hundred eighteen million, four hundred eighty-four thousand, twenty".