525010440 has 64 divisors (see below), whose sum is σ = 1585656000. Its totient is φ = 139058432.

The previous prime is 525010433. The next prime is 525010457. The reversal of 525010440 is 44010525.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3199 + ... + 32561.

It is an arithmetic number, because the mean of its divisors is an integer number (24775875).

Almost surely, 2^525010440 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 525010440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792828000).

525010440 is an abundant number, since it is smaller than the sum of its proper divisors (1060645560).

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

525010440 is a wasteful number, since it uses less digits than its factorization.

525010440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29526 (or 29522 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 525010440 is about 22913.1062931240. The cubic root of 525010440 is about 806.7196703403.

Adding to 525010440 its reverse (44010525), we get a palindrome (569020965).

The spelling of 525010440 in words is "five hundred twenty-five million, ten thousand, four hundred forty".