44630081 has 4 divisors (see below), whose sum is σ = 45472212. Its totient is φ = 43787952.

The previous prime is 44630077. The next prime is 44630093. The reversal of 44630081 is 18003644.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35509681 + 9120400 = 5959^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 44630081 - 2² = 44630077 is a prime.

It is a super-2 number, since 2×44630081² = 3983688260133122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44630081.

It is not an unprimeable number, because it can be changed into a prime (44630011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420986 + ... + 421091.

It is an arithmetic number, because the mean of its divisors is an integer number (11368053).

Almost surely, 2^44630081 is an apocalyptic number.

It is an amenable number.

44630081 is a deficient number, since it is larger than the sum of its proper divisors (842131).

44630081 is an equidigital number, since it uses as much as digits as its factorization.

44630081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842130.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 44630081 is about 6680.5749004109. The cubic root of 44630081 is about 354.7120087122.

The spelling of 44630081 in words is "forty-four million, six hundred thirty thousand, eighty-one".