44004681 has 64 divisors (see below), whose sum is σ = 79626240. Its totient is φ = 23474880.

The previous prime is 44004679. The next prime is 44004733. The reversal of 44004681 is 18640044.

It is not a de Polignac number, because 44004681 - 2¹ = 44004679 is a prime.

It is a super-2 number, since 2×44004681² = 3872823899823522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44004601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 230296 + ... + 230486.

It is an arithmetic number, because the mean of its divisors is an integer number (1244160).

Almost surely, 2^44004681 is an apocalyptic number.

It is an amenable number.

44004681 is a deficient number, since it is larger than the sum of its proper divisors (35621559).

44004681 is a wasteful number, since it uses less digits than its factorization.

44004681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 44004681 is about 6633.6024149779. The cubic root of 44004681 is about 353.0473524527.

The spelling of 44004681 in words is "forty-four million, four thousand, six hundred eighty-one".