3965440044 has 12 divisors (see below), whose sum is σ = 9252693464. Its totient is φ = 1321813344.

The previous prime is 3965439983. The next prime is 3965440057. The reversal of 3965440044 is 4400445693.

3965440044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3965439984 and 3965440011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165226657 + ... + 165226680.

Almost surely, 2^3965440044 is an apocalyptic number.

It is an amenable number.

3965440044 is an abundant number, since it is smaller than the sum of its proper divisors (5287253420).

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

3965440044 is a wasteful number, since it uses less digits than its factorization.

3965440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330453344 (or 330453342 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 3965440044 is about 62971.7400426572. The cubic root of 3965440044 is about 1582.8161126877.

The spelling of 3965440044 in words is "three billion, nine hundred sixty-five million, four hundred forty thousand, forty-four".