3505140572 has 24 divisors (see below), whose sum is σ = 6232047360. Its totient is φ = 1724701680.

The previous prime is 3505140533. The next prime is 3505140641. The reversal of 3505140572 is 2750415053.

3505140572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78947 + ... + 115077.

It is an arithmetic number, because the mean of its divisors is an integer number (259668640).

Almost surely, 2^3505140572 is an apocalyptic number.

It is an amenable number.

3505140572 is a deficient number, since it is larger than the sum of its proper divisors (2726906788).

3505140572 is a wasteful number, since it uses less digits than its factorization.

3505140572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36521 (or 36519 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 3505140572 is about 59204.2276530992. The cubic root of 3505140572 is about 1519.0374463308.

The spelling of 3505140572 in words is "three billion, five hundred five million, one hundred forty thousand, five hundred seventy-two".