538235040 has 192 divisors, whose sum is σ = 2039869440. Its totient is φ = 116536320.

The previous prime is 538235039. The next prime is 538235063. The reversal of 538235040 is 40532835.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 538234989 and 538235007.

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, 59625 + ... + 68055.

It is an arithmetic number, because the mean of its divisors is an integer number (10624320).

Almost surely, 2^538235040 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 538235040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019934720).

538235040 is an abundant number, since it is smaller than the sum of its proper divisors (1501634400).

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

538235040 is a wasteful number, since it uses less digits than its factorization.

538235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475 (or 8467 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 538235040 is about 23199.8931032020. The cubic root of 538235040 is about 813.4371243220.

Adding to 538235040 its reverse (40532835), we get a palindrome (578767875).

The spelling of 538235040 in words is "five hundred thirty-eight million, two hundred thirty-five thousand, forty".