353242240 has 64 divisors (see below), whose sum is σ = 909450360. Its totient is φ = 130424832.

The previous prime is 353242237. The next prime is 353242247. The reversal of 353242240 is 42242353.

It can be written as a sum of positive squares in 4 ways, for example, as 297769536 + 55472704 = 17256^2 + 7448^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (353242247) 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, 12909 + ... + 29548.

Almost surely, 2^353242240 is an apocalyptic number.

It is an amenable number.

353242240 is an abundant number, since it is smaller than the sum of its proper divisors (556208120).

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

353242240 is a wasteful number, since it uses less digits than its factorization.

353242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42489 (or 42477 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 353242240 is about 18794.7396896046. The cubic root of 353242240 is about 706.8992865761.

Adding to 353242240 its reverse (42242353), we get a palindrome (395484593).

The spelling of 353242240 in words is "three hundred fifty-three million, two hundred forty-two thousand, two hundred forty".