3405765512 has 36 divisors (see below), whose sum is σ = 6539465655. Its totient is φ = 1662854736.

The previous prime is 3405765511. The next prime is 3405765541. The reversal of 3405765512 is 2155675043.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1702882756 + 1702882756 = 41266^2 + 41266^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=41266.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405765511) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7757789 + ... + 7758227.

Almost surely, 2^3405765512 is an apocalyptic number.

It is an amenable number.

3405765512 is a deficient number, since it is larger than the sum of its proper divisors (3133700143).

3405765512 is an frugal number, since it uses more digits than its factorization.

3405765512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 3405765512 is about 58358.9368648881. The cubic root of 3405765512 is about 1504.5440739901.

The spelling of 3405765512 in words is "three billion, four hundred five million, seven hundred sixty-five thousand, five hundred twelve".