525200041520 has 80 divisors (see below), whose sum is σ = 1522398060288. Its totient is φ = 163698712320.

The previous prime is 525200041501. The next prime is 525200041523. The reversal of 525200041520 is 25140002525.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×525200041520² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525200041520.

It is not an unprimeable number, because it can be changed into a prime (525200041523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42623714 + ... + 42636033.

Almost surely, 2^525200041520 is an apocalyptic number.

It is an amenable number.

525200041520 is an abundant number, since it is smaller than the sum of its proper divisors (997198018768).

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

525200041520 is a wasteful number, since it uses less digits than its factorization.

525200041520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85259778 (or 85259772 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 525200041520 in words is "five hundred twenty-five billion, two hundred million, forty-one thousand, five hundred twenty".