531774480 has 80 divisors (see below), whose sum is σ = 1654001280. Its totient is φ = 141333504.

The previous prime is 531774449. The next prime is 531774491. The reversal of 531774480 is 84477135.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71581 + ... + 78659.

It is an arithmetic number, because the mean of its divisors is an integer number (20675016).

Almost surely, 2^531774480 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 531774480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827000640).

531774480 is an abundant number, since it is smaller than the sum of its proper divisors (1122226800).

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

531774480 is a wasteful number, since it uses less digits than its factorization.

531774480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408 (or 7402 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 531774480 is about 23060.2359051246. The cubic root of 531774480 is about 810.1693899666.

It can be divided in two parts, 5317 and 74480, that added together give a palindrome (79797).

The spelling of 531774480 in words is "five hundred thirty-one million, seven hundred seventy-four thousand, four hundred eighty".