3452065840 has 20 divisors (see below), whose sum is σ = 8026053264. Its totient is φ = 1380826304.

The previous prime is 3452065831. The next prime is 3452065879. The reversal of 3452065840 is 485602543.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3452065840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21575332 + ... + 21575491.

Almost surely, 2^3452065840 is an apocalyptic number.

It is an amenable number.

3452065840 is an abundant number, since it is smaller than the sum of its proper divisors (4573987424).

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

3452065840 is a wasteful number, since it uses less digits than its factorization.

3452065840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43150836 (or 43150830 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 3452065840 is about 58754.2835885180. The cubic root of 3452065840 is about 1511.3313463287.

The spelling of 3452065840 in words is "three billion, four hundred fifty-two million, sixty-five thousand, eight hundred forty".