40041442221044 has 12 divisors (see below), whose sum is σ = 76442753331168. Its totient is φ = 18200655555000.

The previous prime is 40041442221023. The next prime is 40041442221049. The reversal of 40041442221044 is 44012224414004.

It is a self number, because there is not a number n which added to its sum of digits gives 40041442221044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041442221049) 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, 455016388832 + ... + 455016388919.

It is an arithmetic number, because the mean of its divisors is an integer number (6370229444264).

Almost surely, 2^{40041442221044} is an apocalyptic number.

40041442221044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40041442221044 is a deficient number, since it is larger than the sum of its proper divisors (36401311110124).

40041442221044 is a wasteful number, since it uses less digits than its factorization.

40041442221044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910032777766 (or 910032777764 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 40041442221044 its reverse (44012224414004), we get a palindrome (84053666635048).

The spelling of 40041442221044 in words is "forty trillion, forty-one billion, four hundred forty-two million, two hundred twenty-one thousand, forty-four".