520353342 has 48 divisors (see below), whose sum is σ = 1220449680. Its totient is φ = 164315952.

The previous prime is 520353307. The next prime is 520353343. The reversal of 520353342 is 243353025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520353343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6148 + ... + 32840.

It is an arithmetic number, because the mean of its divisors is an integer number (25426035).

Almost surely, 2^520353342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520353342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610224840).

520353342 is an abundant number, since it is smaller than the sum of its proper divisors (700096338).

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

520353342 is a wasteful number, since it uses less digits than its factorization.

520353342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26742 (or 26717 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 520353342 is about 22811.2547221761. The cubic root of 520353342 is about 804.3272503863.

The spelling of 520353342 in words is "five hundred twenty million, three hundred fifty-three thousand, three hundred forty-two".