352240442 has 16 divisors (see below), whose sum is σ = 560160360. Its totient is φ = 165547008.

The previous prime is 352240439. The next prime is 352240453. The reversal of 352240442 is 244042253.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 339701761 + 12538681 = 18431^2 + 3541^2 .

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 7 ways as a sum of consecutive naturals, for example, 21938 + ... + 34434.

Almost surely, 2^352240442 is an apocalyptic number.

352240442 is a deficient number, since it is larger than the sum of its proper divisors (207919918).

352240442 is a wasteful number, since it uses less digits than its factorization.

352240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13345.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 352240442 is about 18768.0697462472. The cubic root of 352240442 is about 706.2303963859.

Adding to 352240442 its reverse (244042253), we get a palindrome (596282695).

The spelling of 352240442 in words is "three hundred fifty-two million, two hundred forty thousand, four hundred forty-two".