3644220060 has 72 divisors (see below), whose sum is σ = 11904459840. Its totient is φ = 897038208.

The previous prime is 3644220043. The next prime is 3644220103. The reversal of 3644220060 is 600224463.

3644220060 is a `hidden beast` number, since 364 + 42 + 200 + 60 = 666.

3644220060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×3644220060⁵ (a number of 49 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776340 + ... + 781019.

It is an arithmetic number, because the mean of its divisors is an integer number (165339720).

Almost surely, 2^3644220060 is an apocalyptic number.

3644220060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3644220060 is an abundant number, since it is smaller than the sum of its proper divisors (8260239780).

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

3644220060 is a wasteful number, since it uses less digits than its factorization.

3644220060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557387 (or 1557382 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3644220060 is about 60367.3757918961. The cubic root of 3644220060 is about 1538.8685763896.

The spelling of 3644220060 in words is "three billion, six hundred forty-four million, two hundred twenty thousand, sixty".