531316480 has 72 divisors (see below), whose sum is σ = 1276903152. Its totient is φ = 211820544.

The previous prime is 531316469. The next prime is 531316523. The reversal of 531316480 is 84613135.

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, 566572 + ... + 567508.

It is an arithmetic number, because the mean of its divisors is an integer number (17734766).

Almost surely, 2^531316480 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 531316480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638451576).

531316480 is an abundant number, since it is smaller than the sum of its proper divisors (745586672).

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

531316480 is an equidigital number, since it uses as much as digits as its factorization.

531316480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 531316480 is about 23050.3032518013. The cubic root of 531316480 is about 809.9367323444.

The spelling of 531316480 in words is "five hundred thirty-one million, three hundred sixteen thousand, four hundred eighty".