44644401 has 12 divisors (see below), whose sum is σ = 65303680. Its totient is φ = 29385720.

The previous prime is 44644399. The next prime is 44644409. The reversal of 44644401 is 10444644.

It is not a de Polignac number, because 44644401 - 2¹ = 44644399 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44644409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30685 + ... + 32106.

Almost surely, 2^44644401 is an apocalyptic number.

It is an amenable number.

44644401 is a deficient number, since it is larger than the sum of its proper divisors (20659279).

44644401 is a wasteful number, since it uses less digits than its factorization.

44644401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62876 (or 62873 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 44644401 is about 6681.6465785014. The cubic root of 44644401 is about 354.7499422665.

The spelling of 44644401 in words is "forty-four million, six hundred forty-four thousand, four hundred one".