531948880 has 40 divisors (see below), whose sum is σ = 1241641512. Its totient is φ = 211943424.

The previous prime is 531948847. The next prime is 531948917. The reversal of 531948880 is 88849135.

It can be written as a sum of positive squares in 4 ways, for example, as 190881856 + 341067024 = 13816^2 + 18468^2 .

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

It is a super-2 number, since 2×531948880² = 565939221866508800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 531948880.

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, 7624 + ... + 33496.

Almost surely, 2^531948880 is an apocalyptic number.

It is an amenable number.

531948880 is an abundant number, since it is smaller than the sum of its proper divisors (709692632).

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

531948880 is a wasteful number, since it uses less digits than its factorization.

531948880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26143 (or 26137 counting only the distinct ones).

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

The square root of 531948880 is about 23064.0169961783. The cubic root of 531948880 is about 810.2579476188.

The spelling of 531948880 in words is "five hundred thirty-one million, nine hundred forty-eight thousand, eight hundred eighty".