538502580 has 288 divisors, whose sum is σ = 2113413120. Its totient is φ = 111818880.

The previous prime is 538502567. The next prime is 538502597. The reversal of 538502580 is 85205835.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 373501 + ... + 374939.

It is an arithmetic number, because the mean of its divisors is an integer number (7338240).

Almost surely, 2^538502580 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 538502580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1056706560).

538502580 is an abundant number, since it is smaller than the sum of its proper divisors (1574910540).

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

538502580 is a wasteful number, since it uses less digits than its factorization.

538502580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 538502580 is about 23205.6583617014. The cubic root of 538502580 is about 813.5718801465.

The spelling of 538502580 in words is "five hundred thirty-eight million, five hundred two thousand, five hundred eighty".