44000505 has 48 divisors (see below), whose sum is σ = 81628560. Its totient is φ = 21848064.

The previous prime is 44000497. The next prime is 44000533. The reversal of 44000505 is 50500044.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 281961 + 43718544 = 531^2 + 6612^2 .

It is not a de Polignac number, because 44000505 - 2³ = 44000497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86191 + ... + 86699.

It is an arithmetic number, because the mean of its divisors is an integer number (1700595).

Almost surely, 2^44000505 is an apocalyptic number.

44000505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44000505 is a deficient number, since it is larger than the sum of its proper divisors (37628055).

44000505 is a wasteful number, since it uses less digits than its factorization.

44000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 44000505 is about 6633.2876464088. The cubic root of 44000505 is about 353.0361841531.

Adding to 44000505 its reverse (50500044), we get a palindrome (94500549).

The spelling of 44000505 in words is "forty-four million, five hundred five", and thus it is an aban number.