352748240 has 80 divisors (see below), whose sum is σ = 921691008. Its totient is φ = 124574208.

The previous prime is 352748237. The next prime is 352748251. The reversal of 352748240 is 42847253.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 352748240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16547 + ... + 31293.

Almost surely, 2^352748240 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 352748240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460845504).

352748240 is an abundant number, since it is smaller than the sum of its proper divisors (568942768).

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

352748240 is a wasteful number, since it uses less digits than its factorization.

352748240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14796 (or 14790 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 352748240 is about 18781.5931166661. The cubic root of 352748240 is about 706.5696061464.

The spelling of 352748240 in words is "three hundred fifty-two million, seven hundred forty-eight thousand, two hundred forty".