531898480 has 40 divisors (see below), whose sum is σ = 1238438592. Its totient is φ = 212454144.

The previous prime is 531898463. The next prime is 531898487. The reversal of 531898480 is 84898135.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 531898480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531898487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56169 + ... + 64951.

Almost surely, 2^531898480 is an apocalyptic number.

It is an amenable number.

531898480 is an abundant number, since it is smaller than the sum of its proper divisors (706540112).

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

531898480 is a wasteful number, since it uses less digits than its factorization.

531898480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553 (or 9547 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 531898480 is about 23062.9243592394. The cubic root of 531898480 is about 810.2323572586.

The spelling of 531898480 in words is "five hundred thirty-one million, eight hundred ninety-eight thousand, four hundred eighty".