525123441440 has 96 divisors (see below), whose sum is σ = 1339080906240. Its totient is φ = 193449729024.

The previous prime is 525123441421. The next prime is 525123441449. The reversal of 525123441440 is 44144321525.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 525123441440.

It is not an unprimeable number, because it can be changed into a prime (525123441449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625577 + ... + 1200663.

It is an arithmetic number, because the mean of its divisors is an integer number (13948759440).

Almost surely, 2^525123441440 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 525123441440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669540453120).

525123441440 is an abundant number, since it is smaller than the sum of its proper divisors (813957464800).

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

525123441440 is a wasteful number, since it uses less digits than its factorization.

525123441440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575554 (or 575546 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 525123441440 its reverse (44144321525), we get a palindrome (569267762965).

The spelling of 525123441440 in words is "five hundred twenty-five billion, one hundred twenty-three million, four hundred forty-one thousand, four hundred forty".