3530013640 has 16 divisors (see below), whose sum is σ = 7942530780. Its totient is φ = 1412005440.

The previous prime is 3530013611. The next prime is 3530013649. The reversal of 3530013640 is 463100353.

It can be written as a sum of positive squares in 2 ways, for example, as 3500615556 + 29398084 = 59166^2 + 5422^2 .

It is not an unprimeable number, because it can be changed into a prime (3530013649) 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, 44125131 + ... + 44125210.

Almost surely, 2^3530013640 is an apocalyptic number.

It is an amenable number.

3530013640 is an abundant number, since it is smaller than the sum of its proper divisors (4412517140).

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

3530013640 is a wasteful number, since it uses less digits than its factorization.

3530013640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88250352 (or 88250348 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 3530013640 is about 59413.9178980818. The cubic root of 3530013640 is about 1522.6220957714.

Adding to 3530013640 its reverse (463100353), we get a palindrome (3993113993).

The spelling of 3530013640 in words is "three billion, five hundred thirty million, thirteen thousand, six hundred forty".