352340442 has 20 divisors (see below), whose sum is σ = 789503946. Its totient is φ = 117446760.

The previous prime is 352340431. The next prime is 352340447. The reversal of 352340442 is 244043253.

It can be written as a sum of positive squares in only one way, i.e., 350775441 + 1565001 = 18729^2 + 1251^2 .

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

It is not an unprimeable number, because it can be changed into a prime (352340447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1087309 + ... + 1087632.

Almost surely, 2^352340442 is an apocalyptic number.

352340442 is an abundant number, since it is smaller than the sum of its proper divisors (437163504).

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

352340442 is a wasteful number, since it uses less digits than its factorization.

352340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174955 (or 2174946 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 352340442 is about 18770.7336564131. The cubic root of 352340442 is about 706.2972222895.

Adding to 352340442 its reverse (244043253), we get a palindrome (596383695).

The spelling of 352340442 in words is "three hundred fifty-two million, three hundred forty thousand, four hundred forty-two".