3545201320 has 16 divisors (see below), whose sum is σ = 7976703060. Its totient is φ = 1418080512.

The previous prime is 3545201311. The next prime is 3545201321. The reversal of 3545201320 is 231025453.

It can be written as a sum of positive squares in 2 ways, for example, as 3270238596 + 274962724 = 57186^2 + 16582^2 .

It is not an unprimeable number, because it can be changed into a prime (3545201321) 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, 44314977 + ... + 44315056.

Almost surely, 2^3545201320 is an apocalyptic number.

It is an amenable number.

3545201320 is an abundant number, since it is smaller than the sum of its proper divisors (4431501740).

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

3545201320 is a wasteful number, since it uses less digits than its factorization.

3545201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88630044 (or 88630040 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3545201320 is about 59541.5931933300. The cubic root of 3545201320 is about 1524.8026361086.

Adding to 3545201320 its reverse (231025453), we get a palindrome (3776226773).

The spelling of 3545201320 in words is "three billion, five hundred forty-five million, two hundred one thousand, three hundred twenty".