3605220044 has 12 divisors (see below), whose sum is σ = 6320345304. Its totient is φ = 1799407104.

The previous prime is 3605220041. The next prime is 3605220053. The reversal of 3605220044 is 4400225063.

It is a super-2 number, since 2×3605220044² = 25995223131318723872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3605219995 and 3605220022.

It is not an unprimeable number, because it can be changed into a prime (3605220041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 798197 + ... + 802700.

It is an arithmetic number, because the mean of its divisors is an integer number (526695442).

Almost surely, 2^3605220044 is an apocalyptic number.

It is an amenable number.

3605220044 is a deficient number, since it is larger than the sum of its proper divisors (2715125260).

3605220044 is a wasteful number, since it uses less digits than its factorization.

3605220044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601464 (or 1601462 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3605220044 is about 60043.4846090731. The cubic root of 3605220044 is about 1533.3592790611.

The spelling of 3605220044 in words is "three billion, six hundred five million, two hundred twenty thousand, forty-four".