40441221151 has 16 divisors (see below), whose sum is σ = 42041497600. Its totient is φ = 38860365600.

The previous prime is 40441221131. The next prime is 40441221211. The reversal of 40441221151 is 15112214404.

It is a cyclic number.

It is not a de Polignac number, because 40441221151 - 2¹¹ = 40441219103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683006 + ... + 2698036.

It is an arithmetic number, because the mean of its divisors is an integer number (2627593600).

Almost surely, 2^40441221151 is an apocalyptic number.

40441221151 is a deficient number, since it is larger than the sum of its proper divisors (1600276449).

40441221151 is a wasteful number, since it uses less digits than its factorization.

40441221151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15670.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 40441221151 its reverse (15112214404), we get a palindrome (55553435555).

The spelling of 40441221151 in words is "forty billion, four hundred forty-one million, two hundred twenty-one thousand, one hundred fifty-one".