352720280 has 64 divisors (see below), whose sum is σ = 874450080. Its totient is φ = 126976000.

The previous prime is 352720279. The next prime is 352720283. The reversal of 352720280 is 82027253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352720283) 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 15 ways as a sum of consecutive naturals, for example, 40472 + ... + 48408.

Almost surely, 2^352720280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352720280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437225040).

352720280 is an abundant number, since it is smaller than the sum of its proper divisors (521729800).

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

352720280 is a wasteful number, since it uses less digits than its factorization.

352720280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060 (or 8056 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 352720280 is about 18780.8487561132. The cubic root of 352720280 is about 706.5509373000.

The spelling of 352720280 in words is "three hundred fifty-two million, seven hundred twenty thousand, two hundred eighty".