44001001 has 8 divisors (see below), whose sum is σ = 50088384. Its totient is φ = 38261520.

The previous prime is 44000989. The next prime is 44001019. The reversal of 44001001 is 10010044.

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

It is not a de Polignac number, because 44001001 - 2¹¹ = 43998953 is a prime.

It is a Duffinian number.

44001001 is a modest number, since divided by 1001 gives 44 as remainder.

It is not an unprimeable number, because it can be changed into a prime (44001031) 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, 86706 + ... + 87211.

It is an arithmetic number, because the mean of its divisors is an integer number (6261048).

Almost surely, 2^44001001 is an apocalyptic number.

It is an amenable number.

44001001 is a deficient number, since it is larger than the sum of its proper divisors (6087383).

44001001 is a wasteful number, since it uses less digits than its factorization.

44001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173951.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 44001001 is about 6633.3250334956. The cubic root of 44001001 is about 353.0375106931.

Adding to 44001001 its reverse (10010044), we get a palindrome (54011045).

The spelling of 44001001 in words is "forty-four million, one thousand, one".