352240520 has 32 divisors (see below), whose sum is σ = 810976320. Its totient is φ = 137618880.

The previous prime is 352240517. The next prime is 352240523. The reversal of 352240520 is 25042253.

352240520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (352240517) and next prime (352240523).

It is not an unprimeable number, because it can be changed into a prime (352240523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100676 + ... + 104115.

It is an arithmetic number, because the mean of its divisors is an integer number (25343010).

Almost surely, 2^352240520 is an apocalyptic number.

It is an amenable number.

352240520 is an abundant number, since it is smaller than the sum of its proper divisors (458735800).

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

352240520 is a wasteful number, since it uses less digits than its factorization.

352240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204845 (or 204841 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 352240520 is about 18768.0718242445. The cubic root of 352240520 is about 706.2304485151.

Adding to 352240520 its reverse (25042253), we get a palindrome (377282773).

The spelling of 352240520 in words is "three hundred fifty-two million, two hundred forty thousand, five hundred twenty".