524481216 has 224 divisors, whose sum is σ = 1667865600. Its totient is φ = 142331904.

The previous prime is 524481203. The next prime is 524481239. The reversal of 524481216 is 612184425.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2635485 + ... + 2635683.

Almost surely, 2^524481216 is an apocalyptic number.

524481216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524481216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833932800).

524481216 is an abundant number, since it is smaller than the sum of its proper divisors (1143384384).

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

524481216 is a wasteful number, since it uses less digits than its factorization.

524481216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 301 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 524481216 is about 22901.5548817105. The cubic root of 524481216 is about 806.4485144974.

The spelling of 524481216 in words is "five hundred twenty-four million, four hundred eighty-one thousand, two hundred sixteen".