444481523 has 4 divisors (see below), whose sum is σ = 446964840. Its totient is φ = 441998208.

The previous prime is 444481501. The next prime is 444481553. The reversal of 444481523 is 325184444.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 444481523 - 2¹⁰ = 444480499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444481553) 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, 1241390 + ... + 1241747.

It is an arithmetic number, because the mean of its divisors is an integer number (111741210).

Almost surely, 2^444481523 is an apocalyptic number.

444481523 is a deficient number, since it is larger than the sum of its proper divisors (2483317).

444481523 is a wasteful number, since it uses less digits than its factorization.

444481523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483316.

The product of its digits is 61440, while the sum is 35.

The square root of 444481523 is about 21082.7304446080. The cubic root of 444481523 is about 763.1640499541.

The spelling of 444481523 in words is "four hundred forty-four million, four hundred eighty-one thousand, five hundred twenty-three".