538380432 has 100 divisors (see below), whose sum is σ = 1570978816. Its totient is φ = 177992640.

The previous prime is 538380431. The next prime is 538380457. The reversal of 538380432 is 234083835.

538380432 is a `hidden beast` number, since 538 + 3 + 80 + 43 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (538380431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 162957 + ... + 166227.

Almost surely, 2^538380432 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 538380432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785489408).

538380432 is an abundant number, since it is smaller than the sum of its proper divisors (1032598384).

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

538380432 is a wasteful number, since it uses less digits than its factorization.

538380432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 538380432 is about 23203.0263543358. The cubic root of 538380432 is about 813.5103615970.

The spelling of 538380432 in words is "five hundred thirty-eight million, three hundred eighty thousand, four hundred thirty-two".