525320503235040 has 192 divisors, whose sum is σ = 1661514960248640. Its totient is φ = 139513791774720.

The previous prime is 525320503235039. The next prime is 525320503235069. The reversal of 525320503235040 is 40532305023525.

It is a super-2 number, since 2×525320503235040² (a number of 30 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 525320503235040.

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, 651060976 + ... + 651867344.

It is an arithmetic number, because the mean of its divisors is an integer number (8653723751295).

Almost surely, 2^{525320503235040} 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 525320503235040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830757480124320).

525320503235040 is an abundant number, since it is smaller than the sum of its proper divisors (1136194457013600).

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

525320503235040 is a wasteful number, since it uses less digits than its factorization.

525320503235040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811925 (or 811917 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 39.

Adding to 525320503235040 its reverse (40532305023525), we get a palindrome (565852808258565).

The spelling of 525320503235040 in words is "five hundred twenty-five trillion, three hundred twenty billion, five hundred three million, two hundred thirty-five thousand, forty".