538944120 has 576 divisors, whose sum is σ = 2246680800. Its totient is φ = 110315520.

The previous prime is 538944113. The next prime is 538944137. The reversal of 538944120 is 21449835.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 18584266 + ... + 18584294.

Almost surely, 2^538944120 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 538944120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123340400).

538944120 is an abundant number, since it is smaller than the sum of its proper divisors (1707736680).

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

538944120 is a wasteful number, since it uses less digits than its factorization.

538944120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 538944120 is about 23215.1700402991. The cubic root of 538944120 is about 813.7941795406.

The spelling of 538944120 in words is "five hundred thirty-eight million, nine hundred forty-four thousand, one hundred twenty".