538985880 has 128 divisors (see below), whose sum is σ = 1858680000. Its totient is φ = 138765312.

The previous prime is 538985879. The next prime is 538985891. The reversal of 538985880 is 88589835.

538985880 is a `hidden beast` number, since 53 + 8 + 9 + 8 + 588 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22716 + ... + 39924.

Almost surely, 2^538985880 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 538985880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929340000).

538985880 is an abundant number, since it is smaller than the sum of its proper divisors (1319694120).

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

538985880 is a wasteful number, since it uses less digits than its factorization.

538985880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17258 (or 17248 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The square root of 538985880 is about 23216.0694347687. The cubic root of 538985880 is about 813.8151979022.

The spelling of 538985880 in words is "five hundred thirty-eight million, nine hundred eighty-five thousand, eight hundred eighty".