352242140 has 36 divisors (see below), whose sum is σ = 780705576. Its totient is φ = 133478496.

The previous prime is 352242127. The next prime is 352242157. The reversal of 352242140 is 41242253.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17174 + ... + 31613.

It is an arithmetic number, because the mean of its divisors is an integer number (21686266).

Almost surely, 2^352242140 is an apocalyptic number.

It is an amenable number.

352242140 is an abundant number, since it is smaller than the sum of its proper divisors (428463436).

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

352242140 is a wasteful number, since it uses less digits than its factorization.

352242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48834 (or 48813 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 352242140 is about 18768.1149825975. The cubic root of 352242140 is about 706.2315311953.

Adding to 352242140 its reverse (41242253), we get a palindrome (393484393).

The spelling of 352242140 in words is "three hundred fifty-two million, two hundred forty-two thousand, one hundred forty".