527213645520 has 160 divisors (see below), whose sum is σ = 1691112297600. Its totient is φ = 135710840832.

The previous prime is 527213645507. The next prime is 527213645593. The reversal of 527213645520 is 25546312725.

It is a congruent number.

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, 52355046 + ... + 52365114.

It is an arithmetic number, because the mean of its divisors is an integer number (10569451860).

Almost surely, 2^527213645520 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 527213645520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845556148800).

527213645520 is an abundant number, since it is smaller than the sum of its proper divisors (1163898652080).

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

527213645520 is a wasteful number, since it uses less digits than its factorization.

527213645520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17637 (or 17631 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 527213645520 in words is "five hundred twenty-seven billion, two hundred thirteen million, six hundred forty-five thousand, five hundred twenty".