3530424040 has 128 divisors (see below), whose sum is σ = 9654422400. Its totient is φ = 1144120320.

The previous prime is 3530423987. The next prime is 3530424049. The reversal of 3530424040 is 404240353.

It is a junction number, because it is equal to n+sod(n) for n = 3530423996 and 3530424014.

It is not an unprimeable number, because it can be changed into a prime (3530424049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155239 + ... + 176521.

It is an arithmetic number, because the mean of its divisors is an integer number (75425175).

Almost surely, 2^3530424040 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 3530424040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4827211200).

3530424040 is an abundant number, since it is smaller than the sum of its proper divisors (6123998360).

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

3530424040 is a wasteful number, since it uses less digits than its factorization.

3530424040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21347 (or 21343 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3530424040 is about 59417.3715339210. The cubic root of 3530424040 is about 1522.6811002548.

Adding to 3530424040 its reverse (404240353), we get a palindrome (3934664393).

The spelling of 3530424040 in words is "three billion, five hundred thirty million, four hundred twenty-four thousand, forty".