525474938880 has 720 divisors, whose sum is σ = 1909876760064. Its totient is φ = 133488967680.

The previous prime is 525474938837. The next prime is 525474938893. The reversal of 525474938880 is 88839474525.

525474938880 is a `hidden beast` number, since 5 + 2 + 5 + 474 + 9 + 3 + 88 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×525474938880² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1897021302 + ... + 1897021578.

Almost surely, 2^525474938880 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 525474938880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954938380032).

525474938880 is an abundant number, since it is smaller than the sum of its proper divisors (1384401821184).

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

525474938880 is a wasteful number, since it uses less digits than its factorization.

525474938880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 525474938880 in words is "five hundred twenty-five billion, four hundred seventy-four million, nine hundred thirty-eight thousand, eight hundred eighty".