3450705520 has 40 divisors (see below), whose sum is σ = 8445151440. Its totient is φ = 1307635200.

The previous prime is 3450705493. The next prime is 3450705613. The reversal of 3450705520 is 255070543.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133581 + ... + 1136620.

It is an arithmetic number, because the mean of its divisors is an integer number (211128786).

Almost surely, 2^3450705520 is an apocalyptic number.

It is an amenable number.

3450705520 is an abundant number, since it is smaller than the sum of its proper divisors (4994445920).

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

3450705520 is a wasteful number, since it uses less digits than its factorization.

3450705520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270233 (or 2270227 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 3450705520 is about 58742.7061004173. The cubic root of 3450705520 is about 1511.1328019922.

The spelling of 3450705520 in words is "three billion, four hundred fifty million, seven hundred five thousand, five hundred twenty".