538726520 has 16 divisors (see below), whose sum is σ = 1212134760. Its totient is φ = 215490592.

The previous prime is 538726499. The next prime is 538726547. The reversal of 538726520 is 25627835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734042 + ... + 6734121.

Almost surely, 2^538726520 is an apocalyptic number.

It is an amenable number.

538726520 is an abundant number, since it is smaller than the sum of its proper divisors (673408240).

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

538726520 is a wasteful number, since it uses less digits than its factorization.

538726520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468174 (or 13468170 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 538726520 is about 23210.4829764484. The cubic root of 538726520 is about 813.6846410036.

The spelling of 538726520 in words is "five hundred thirty-eight million, seven hundred twenty-six thousand, five hundred twenty".