352155520 has 64 divisors (see below), whose sum is σ = 846530640. Its totient is φ = 140083200.

The previous prime is 352155491. The next prime is 352155523. The reversal of 352155520 is 25551253.

352155520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352155523) 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, 122095 + ... + 124945.

Almost surely, 2^352155520 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 352155520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423265320).

352155520 is an abundant number, since it is smaller than the sum of its proper divisors (494375120).

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

352155520 is a wasteful number, since it uses less digits than its factorization.

352155520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063 (or 3051 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 352155520 is about 18765.8072035284. The cubic root of 352155520 is about 706.1736365604.

The spelling of 352155520 in words is "three hundred fifty-two million, one hundred fifty-five thousand, five hundred twenty".