352140320643 has 8 divisors (see below), whose sum is σ = 469536722256. Its totient is φ = 234752066400.

The previous prime is 352140320641. The next prime is 352140320647. The reversal of 352140320643 is 346023041253.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 352140320643 - 2¹ = 352140320641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (352140320641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935268 + ... + 2109393.

It is an arithmetic number, because the mean of its divisors is an integer number (58692090282).

Almost surely, 2^352140320643 is an apocalyptic number.

352140320643 is a deficient number, since it is larger than the sum of its proper divisors (117396401613).

352140320643 is a wasteful number, since it uses less digits than its factorization.

352140320643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073685.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 352140320643 its reverse (346023041253), we get a palindrome (698163361896).

The spelling of 352140320643 in words is "three hundred fifty-two billion, one hundred forty million, three hundred twenty thousand, six hundred forty-three".