3493585640 has 32 divisors (see below), whose sum is σ = 7901313480. Its totient is φ = 1390190592.

The previous prime is 3493585639. The next prime is 3493585643. The reversal of 3493585640 is 465853943.

3493585640 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 4 ways, for example, as 2887342756 + 606242884 = 53734^2 + 24622^2 .

It is not an unprimeable number, because it can be changed into a prime (3493585643) 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, 218549 + ... + 233988.

Almost surely, 2^3493585640 is an apocalyptic number.

It is an amenable number.

3493585640 is an abundant number, since it is smaller than the sum of its proper divisors (4407727840).

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

3493585640 is a wasteful number, since it uses less digits than its factorization.

3493585640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452741 (or 452737 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The square root of 3493585640 is about 59106.5617338718. The cubic root of 3493585640 is about 1517.3664056629.

The spelling of 3493585640 in words is "three billion, four hundred ninety-three million, five hundred eighty-five thousand, six hundred forty".