352213040 has 20 divisors (see below), whose sum is σ = 818895504. Its totient is φ = 140885184.

The previous prime is 352213031. The next prime is 352213049. The reversal of 352213040 is 40312253.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (352213031) and next prime (352213049).

It is a tau number, because it is divible by the number of its divisors (20).

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

It is not an unprimeable number, because it can be changed into a prime (352213049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201252 + ... + 2201411.

Almost surely, 2^352213040 is an apocalyptic number.

It is an amenable number.

352213040 is an abundant number, since it is smaller than the sum of its proper divisors (466682464).

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

352213040 is a wasteful number, since it uses less digits than its factorization.

352213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402676 (or 4402670 counting only the distinct ones).

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

The square root of 352213040 is about 18767.3397155804. The cubic root of 352213040 is about 706.2120825441.

Adding to 352213040 its reverse (40312253), we get a palindrome (392525293).

The spelling of 352213040 in words is "three hundred fifty-two million, two hundred thirteen thousand, forty".