3505870240 has 24 divisors (see below), whose sum is σ = 8282618820. Its totient is φ = 1402348032.

The previous prime is 3505870229. The next prime is 3505870241. The reversal of 3505870240 is 420785053.

It is a happy number.

3505870240 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 2 ways, for example, as 3441934224 + 63936016 = 58668^2 + 7996^2 .

It is a super-2 number, since 2×3505870240² = 24582252279435315200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3505870196 and 3505870205.

It is not an unprimeable number, because it can be changed into a prime (3505870241) 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, 10955685 + ... + 10956004.

Almost surely, 2^3505870240 is an apocalyptic number.

It is an amenable number.

3505870240 is an abundant number, since it is smaller than the sum of its proper divisors (4776748580).

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

3505870240 is a wasteful number, since it uses less digits than its factorization.

3505870240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21911704 (or 21911696 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 3505870240 is about 59210.3896288481. The cubic root of 3505870240 is about 1519.1428454430.

The spelling of 3505870240 in words is "three billion, five hundred five million, eight hundred seventy thousand, two hundred forty".