44001401 has 4 divisors (see below), whose sum is σ = 44047872. Its totient is φ = 43954932.

The previous prime is 44001311. The next prime is 44001403. The reversal of 44001401 is 10410044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44001401 is a prime.

It is a super-2 number, since 2×44001401² = 3872246579925602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44001403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21785 + ... + 23718.

It is an arithmetic number, because the mean of its divisors is an integer number (11011968).

Almost surely, 2^44001401 is an apocalyptic number.

It is an amenable number.

44001401 is a deficient number, since it is larger than the sum of its proper divisors (46471).

44001401 is an equidigital number, since it uses as much as digits as its factorization.

44001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46470.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 44001401 is about 6633.3551842186. The cubic root of 44001401 is about 353.0385804762.

Adding to 44001401 its reverse (10410044), we get a palindrome (54411445).

The spelling of 44001401 in words is "forty-four million, one thousand, four hundred one".