525600040 has 128 divisors (see below), whose sum is σ = 1469030400. Its totient is φ = 165162240.

The previous prime is 525600037. The next prime is 525600043. The reversal of 525600040 is 40006525.

It is an interprime number because it is at equal distance from previous prime (525600037) and next prime (525600043).

It is a junction number, because it is equal to n+sod(n) for n = 525599984 and 525600020.

It is not an unprimeable number, because it can be changed into a prime (525600043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163327 + ... + 166513.

It is an arithmetic number, because the mean of its divisors is an integer number (11476800).

Almost surely, 2^525600040 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 525600040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734515200).

525600040 is an abundant number, since it is smaller than the sum of its proper divisors (943430360).

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

525600040 is a wasteful number, since it uses less digits than its factorization.

525600040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255 (or 3251 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 525600040 is about 22925.9686818245. The cubic root of 525600040 is about 807.0215462268.

Adding to 525600040 its reverse (40006525), we get a palindrome (565606565).

The spelling of 525600040 in words is "five hundred twenty-five million, six hundred thousand, forty".