538690560 has 176 divisors, whose sum is σ = 1825203456. Its totient is φ = 135135232.

The previous prime is 538690553. The next prime is 538690583. The reversal of 538690560 is 65096835.

It is a super-2 number, since 2×538690560² = 580375038866227200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260089 + ... + 262151.

Almost surely, 2^538690560 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 538690560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (912601728).

538690560 is an abundant number, since it is smaller than the sum of its proper divisors (1286512896).

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

538690560 is a wasteful number, since it uses less digits than its factorization.

538690560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 538690560 is about 23209.7083135484. The cubic root of 538690560 is about 813.6665361151. Note that the first 3 decimals are identical.

The spelling of 538690560 in words is "five hundred thirty-eight million, six hundred ninety thousand, five hundred sixty".