3644004388884 has 12 divisors (see below), whose sum is σ = 8502676907424. Its totient is φ = 1214668129624.

The previous prime is 3644004388879. The next prime is 3644004388903. The reversal of 3644004388884 is 4888834004463.

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

It is a congruent number.

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, 151833516192 + ... + 151833516215.

It is an arithmetic number, because the mean of its divisors is an integer number (708556408952).

Almost surely, 2^{3644004388884} is an apocalyptic number.

It is an amenable number.

3644004388884 is an abundant number, since it is smaller than the sum of its proper divisors (4858672518540).

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

3644004388884 is a wasteful number, since it uses less digits than its factorization.

3644004388884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303667032414 (or 303667032412 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 60.

The spelling of 3644004388884 in words is "three trillion, six hundred forty-four billion, four million, three hundred eighty-eight thousand, eight hundred eighty-four".