40441081001 has 16 divisors (see below), whose sum is σ = 41346187008. Its totient is φ = 39544243200.

The previous prime is 40441080991. The next prime is 40441081007. The reversal of 40441081001 is 10018014404.

It is a cyclic number.

It is not a de Polignac number, because 40441081001 - 2¹⁴ = 40441064617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40441081007) 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, 19138121 + ... + 19140233.

It is an arithmetic number, because the mean of its divisors is an integer number (2584136688).

Almost surely, 2^40441081001 is an apocalyptic number.

It is an amenable number.

40441081001 is a deficient number, since it is larger than the sum of its proper divisors (905106007).

40441081001 is a wasteful number, since it uses less digits than its factorization.

40441081001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 40441081001 its reverse (10018014404), we get a palindrome (50459095405).

The spelling of 40441081001 in words is "forty billion, four hundred forty-one million, eighty-one thousand, one".