3545444240 has 60 divisors (see below), whose sum is σ = 8926057044. Its totient is φ = 1309082112.

The previous prime is 3545444191. The next prime is 3545444321. The reversal of 3545444240 is 424445453.

3545444240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 265820416 + 3279623824 = 16304^2 + 57268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3545444240.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117599 + ... + 144638.

Almost surely, 2^3545444240 is an apocalyptic number.

It is an amenable number.

3545444240 is an abundant number, since it is smaller than the sum of its proper divisors (5380612804).

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

3545444240 is a wasteful number, since it uses less digits than its factorization.

3545444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262276 (or 262257 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

The square root of 3545444240 is about 59543.6330769294. The cubic root of 3545444240 is about 1524.8374622076.

Adding to 3545444240 its reverse (424445453), we get a palindrome (3969889693).

The spelling of 3545444240 in words is "three billion, five hundred forty-five million, four hundred forty-four thousand, two hundred forty".