525530425140 has 480 divisors, whose sum is σ = 2099966964480. Its totient is φ = 107104260096.

The previous prime is 525530425139. The next prime is 525530425141. The reversal of 525530425140 is 41524035525.

525530425140 is a `hidden beast` number, since 52 + 5 + 53 + 0 + 42 + 514 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (525530425139) and next prime (525530425141).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 525530425095 and 525530425104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525530425141) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3591082 + ... + 3734558.

It is an arithmetic number, because the mean of its divisors is an integer number (4374931176).

Almost surely, 2^525530425140 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 525530425140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049983482240).

525530425140 is an abundant number, since it is smaller than the sum of its proper divisors (1574436539340).

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

525530425140 is a wasteful number, since it uses less digits than its factorization.

525530425140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143541 (or 143530 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 525530425140 in words is "five hundred twenty-five billion, five hundred thirty million, four hundred twenty-five thousand, one hundred forty".