44081999 has 8 divisors (see below), whose sum is σ = 48124272. Its totient is φ = 40132800.

The previous prime is 44081993. The next prime is 44082013. The reversal of 44081999 is 99918044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44081999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44081993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22277 + ... + 24174.

It is an arithmetic number, because the mean of its divisors is an integer number (6015534).

Almost surely, 2^44081999 is an apocalyptic number.

44081999 is a deficient number, since it is larger than the sum of its proper divisors (4042273).

44081999 is a wasteful number, since it uses less digits than its factorization.

44081999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46537.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 44081999 is about 6639.4276108713. The cubic root of 44081999 is about 353.2540042824.

The spelling of 44081999 in words is "forty-four million, eighty-one thousand, nine hundred ninety-nine".