538283520 has 240 divisors, whose sum is σ = 1899735552. Its totient is φ = 140820480.

The previous prime is 538283519. The next prime is 538283533. The reversal of 538283520 is 25382835.

538283520 is a `hidden beast` number, since 53 + 8 + 2 + 83 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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 23 ways as a sum of consecutive naturals, for example, 1405249 + ... + 1405631.

Almost surely, 2^538283520 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 538283520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949867776).

538283520 is an abundant number, since it is smaller than the sum of its proper divisors (1361452032).

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

538283520 is a wasteful number, since it uses less digits than its factorization.

538283520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 538283520 is about 23200.9379120759. The cubic root of 538283520 is about 813.4615462721.

The spelling of 538283520 in words is "five hundred thirty-eight million, two hundred eighty-three thousand, five hundred twenty".