4444606444440 has 32 divisors (see below), whose sum is σ = 13333819333680. Its totient is φ = 1185228385152.

The previous prime is 4444606444433. The next prime is 4444606444441. The reversal of 4444606444440 is 444446064444.

It is a self number, because there is not a number n which added to its sum of digits gives 4444606444440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444606444441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18519193399 + ... + 18519193638.

Almost surely, 2^{4444606444440} is an apocalyptic number.

4444606444440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4444606444440 is an abundant number, since it is smaller than the sum of its proper divisors (8889212889240).

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

4444606444440 is a wasteful number, since it uses less digits than its factorization.

4444606444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37038387051 (or 37038387047 counting only the distinct ones).

The product of its (nonzero) digits is 9437184, while the sum is 48.

The spelling of 4444606444440 in words is "four trillion, four hundred forty-four billion, six hundred six million, four hundred forty-four thousand, four hundred forty".