538525680 has 480 divisors, whose sum is σ = 2222857728. Its totient is φ = 106444800.

The previous prime is 538525651. The next prime is 538525681. The reversal of 538525680 is 86525835.

It is a super-3 number, since 3×538525680³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538525681) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2975190 + ... + 2975370.

Almost surely, 2^538525680 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 538525680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111428864).

538525680 is an abundant number, since it is smaller than the sum of its proper divisors (1684332048).

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

538525680 is a wasteful number, since it uses less digits than its factorization.

538525680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 538525680 is about 23206.1560797992. The cubic root of 538525680 is about 813.5835131713.

The spelling of 538525680 in words is "five hundred thirty-eight million, five hundred twenty-five thousand, six hundred eighty".