44644429 has 4 divisors (see below), whose sum is σ = 44772700. Its totient is φ = 44516160.

The previous prime is 44644417. The next prime is 44644441. The reversal of 44644429 is 92444644.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (44644417) and next prime (44644441).

It can be written as a sum of positive squares in 2 ways, for example, as 30969225 + 13675204 = 5565^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 44644429 - 2⁹ = 44643917 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63612 + ... + 64309.

It is an arithmetic number, because the mean of its divisors is an integer number (11193175).

Almost surely, 2^44644429 is an apocalyptic number.

It is an amenable number.

44644429 is a deficient number, since it is larger than the sum of its proper divisors (128271).

44644429 is a wasteful number, since it uses less digits than its factorization.

44644429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128270.

The product of its digits is 110592, while the sum is 37.

The square root of 44644429 is about 6681.6486737930. The cubic root of 44644429 is about 354.7500164303.

The spelling of 44644429 in words is "forty-four million, six hundred forty-four thousand, four hundred twenty-nine".