44009955 has 48 divisors (see below), whose sum is σ = 84524544. Its totient is φ = 21003840.

The previous prime is 44009951. The next prime is 44009963. The reversal of 44009955 is 55990044.

It is a Cunningham number, because it is equal to 6634²-1.

It is not a de Polignac number, because 44009955 - 2² = 44009951 is a prime.

It is a super-2 number, since 2×44009955² = 3873752278204050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44009951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32502 + ... + 33828.

It is an arithmetic number, because the mean of its divisors is an integer number (1760928).

Almost surely, 2^44009955 is an apocalyptic number.

44009955 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44009955 is a deficient number, since it is larger than the sum of its proper divisors (40514589).

44009955 is a wasteful number, since it uses less digits than its factorization.

44009955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 44009955 is about 6633.9999246307. Note that the first 4 decimals coincide. The cubic root of 44009955 is about 353.0614562353.

Adding to 44009955 its reverse (55990044), we get a palindrome (99999999).

The spelling of 44009955 in words is "forty-four million, nine thousand, nine hundred fifty-five".