4460221645 has 16 divisors (see below), whose sum is σ = 5842964160. Its totient is φ = 3241504000.

The previous prime is 4460221637. The next prime is 4460221679. The reversal of 4460221645 is 5461220644.

It is not a de Polignac number, because 4460221645 - 2³ = 4460221637 is a prime.

It is a super-3 number, since 3×4460221645³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4460221645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51861 + ... + 107749.

It is an arithmetic number, because the mean of its divisors is an integer number (365185260).

Almost surely, 2^4460221645 is an apocalyptic number.

It is an amenable number.

4460221645 is a deficient number, since it is larger than the sum of its proper divisors (1382742515).

4460221645 is a wasteful number, since it uses less digits than its factorization.

4460221645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57356.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 4460221645 is about 66784.8908436631. The cubic root of 4460221645 is about 1646.0845814556.

The spelling of 4460221645 in words is "four billion, four hundred sixty million, two hundred twenty-one thousand, six hundred forty-five".