538477632 has 560 divisors, whose sum is σ = 2124334080. Its totient is φ = 130636800.

The previous prime is 538477609. The next prime is 538477661. The reversal of 538477632 is 236774835.

538477632 is a `hidden beast` number, since 5 + 3 + 8 + 4 + 7 + 7 + 632 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7584157 + ... + 7584227.

Almost surely, 2^538477632 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 538477632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062167040).

538477632 is an abundant number, since it is smaller than the sum of its proper divisors (1585856448).

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

538477632 is a wasteful number, since it uses less digits than its factorization.

538477632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 113 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 538477632 is about 23205.1208141651. The cubic root of 538477632 is about 813.5593161059.

The spelling of 538477632 in words is "five hundred thirty-eight million, four hundred seventy-seven thousand, six hundred thirty-two".