352012340 has 24 divisors (see below), whose sum is σ = 741646752. Its totient is φ = 140343840.

The previous prime is 352012313. The next prime is 352012343. The reversal of 352012340 is 43210253.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352012343) 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, 22526 + ... + 34805.

It is an arithmetic number, because the mean of its divisors is an integer number (30901948).

Almost surely, 2^352012340 is an apocalyptic number.

It is an amenable number.

352012340 is an abundant number, since it is smaller than the sum of its proper divisors (389634412).

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

352012340 is a wasteful number, since it uses less digits than its factorization.

352012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57647 (or 57645 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 352012340 is about 18761.9918985165. The cubic root of 352012340 is about 706.0779178208.

Adding to 352012340 its reverse (43210253), we get a palindrome (395222593).

The spelling of 352012340 in words is "three hundred fifty-two million, twelve thousand, three hundred forty".