522481140 has 144 divisors (see below), whose sum is σ = 1633282560. Its totient is φ = 135129600.

The previous prime is 522481117. The next prime is 522481189. The reversal of 522481140 is 41184225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1277256 + ... + 1277664.

It is an arithmetic number, because the mean of its divisors is an integer number (11342240).

Almost surely, 2^522481140 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 522481140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816641280).

522481140 is an abundant number, since it is smaller than the sum of its proper divisors (1110801420).

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

522481140 is a wasteful number, since it uses less digits than its factorization.

522481140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 522481140 is about 22857.8463552453. The cubic root of 522481140 is about 805.4220951650.

The spelling of 522481140 in words is "five hundred twenty-two million, four hundred eighty-one thousand, one hundred forty".