2044021001 has 8 divisors (see below), whose sum is σ = 2266396608. Its totient is φ = 1827738000.

The previous prime is 2044020989. The next prime is 2044021037. The reversal of 2044021001 is 1001204402.

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

It is not a de Polignac number, because 2044021001 - 2²² = 2039826697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044021051) 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, 1522445 + ... + 1523786.

It is an arithmetic number, because the mean of its divisors is an integer number (283299576).

Almost surely, 2^2044021001 is an apocalyptic number.

It is an amenable number.

2044021001 is a deficient number, since it is larger than the sum of its proper divisors (222375607).

2044021001 is a wasteful number, since it uses less digits than its factorization.

2044021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046303.

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

The square root of 2044021001 is about 45210.8504786185. The cubic root of 2044021001 is about 1269.0978777487.

Adding to 2044021001 its reverse (1001204402), we get a palindrome (3045225403).

It can be divided in two parts, 204402 and 1001, that multiplied together give a palindrome (204606402).

The spelling of 2044021001 in words is "two billion, forty-four million, twenty-one thousand, one".