3444020644 has 18 divisors (see below), whose sum is σ = 6300478310. Its totient is φ = 1647139296.

The previous prime is 3444020641. The next prime is 3444020647. The reversal of 3444020644 is 4460204443.

It is a happy number.

3444020644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3444020641) and next prime (3444020647).

It can be written as a sum of positive squares in only one way, i.e., 3322139044 + 121881600 = 57638^2 + 11040^2 .

It is a super-2 number, since 2×3444020644² = 23722556392596349472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3444020641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 811689 + ... + 815920.

Almost surely, 2^3444020644 is an apocalyptic number.

It is an amenable number.

3444020644 is a deficient number, since it is larger than the sum of its proper divisors (2856457666).

3444020644 is a wasteful number, since it uses less digits than its factorization.

3444020644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627659 (or 1627634 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

The square root of 3444020644 is about 58685.7788906307. The cubic root of 3444020644 is about 1510.1563576522.

The spelling of 3444020644 in words is "three billion, four hundred forty-four million, twenty thousand, six hundred forty-four".