3505430440 has 32 divisors (see below), whose sum is σ = 7915114080. Its totient is φ = 1397212992.

The previous prime is 3505430381. The next prime is 3505430443. The reversal of 3505430440 is 440345053.

3505430440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3505430399 and 3505430408.

It is not an unprimeable number, because it can be changed into a prime (3505430443) 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, 143514 + ... + 166153.

It is an arithmetic number, because the mean of its divisors is an integer number (247347315).

Almost surely, 2^3505430440 is an apocalyptic number.

It is an amenable number.

3505430440 is an abundant number, since it is smaller than the sum of its proper divisors (4409683640).

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

3505430440 is a wasteful number, since it uses less digits than its factorization.

3505430440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309961 (or 309957 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 3505430440 is about 59206.6756371273. The cubic root of 3505430440 is about 1519.0793189462.

Adding to 3505430440 its reverse (440345053), we get a palindrome (3945775493).

The spelling of 3505430440 in words is "three billion, five hundred five million, four hundred thirty thousand, four hundred forty".