2044340021001 has 16 divisors (see below), whose sum is σ = 2887620309504. Its totient is φ = 1282059496704.

The previous prime is 2044340020999. The next prime is 2044340021011. The reversal of 2044340021001 is 1001200434402.

It is not a de Polignac number, because 2044340021001 - 2¹ = 2044340020999 is a prime.

It is a super-2 number, since 2×2044340021001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2044340021011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10270041 + ... + 10467206.

It is an arithmetic number, because the mean of its divisors is an integer number (180476269344).

Almost surely, 2^{2044340021001} is an apocalyptic number.

It is an amenable number.

2044340021001 is a deficient number, since it is larger than the sum of its proper divisors (843280288503).

2044340021001 is a wasteful number, since it uses less digits than its factorization.

2044340021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20739200.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2044340021001 its reverse (1001200434402), we get a palindrome (3045540455403).

The spelling of 2044340021001 in words is "two trillion, forty-four billion, three hundred forty million, twenty-one thousand, one".