44443641 has 32 divisors (see below), whose sum is σ = 69050880. Its totient is φ = 25142400.

The previous prime is 44443621. The next prime is 44443643. The reversal of 44443641 is 14634444.

It is not a de Polignac number, because 44443641 - 2⁶ = 44443577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44443599 and 44443608.

It is not an unprimeable number, because it can be changed into a prime (44443643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45286 + ... + 46256.

It is an arithmetic number, because the mean of its divisors is an integer number (2157840).

Almost surely, 2^44443641 is an apocalyptic number.

It is an amenable number.

44443641 is a deficient number, since it is larger than the sum of its proper divisors (24607239).

44443641 is a wasteful number, since it uses less digits than its factorization.

44443641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its digits is 18432, while the sum is 30.

The square root of 44443641 is about 6666.6064080610. The cubic root of 44443641 is about 354.2173885802.

The spelling of 44443641 in words is "forty-four million, four hundred forty-three thousand, six hundred forty-one".