3455521806 has 32 divisors (see below), whose sum is σ = 7549388928. Its totient is φ = 1045729440.

The previous prime is 3455521793. The next prime is 3455521837. The reversal of 3455521806 is 6081255543.

It is a super-3 number, since 3×3455521806³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 15381 + ... + 84543.

It is an arithmetic number, because the mean of its divisors is an integer number (235918404).

Almost surely, 2^3455521806 is an apocalyptic number.

3455521806 is an abundant number, since it is smaller than the sum of its proper divisors (4093867122).

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

3455521806 is a wasteful number, since it uses less digits than its factorization.

3455521806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69936.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 3455521806 is about 58783.6865635356. The cubic root of 3455521806 is about 1511.8355244020.

The spelling of 3455521806 in words is "three billion, four hundred fifty-five million, five hundred twenty-one thousand, eight hundred six".