40221444304 has 120 divisors (see below), whose sum is σ = 86588332992. Its totient is φ = 18035297280.

The previous prime is 40221444269. The next prime is 40221444311. The reversal of 40221444304 is 40344412204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63742069 + ... + 63742699.

Almost surely, 2^40221444304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40221444304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43294166496).

40221444304 is an abundant number, since it is smaller than the sum of its proper divisors (46366888688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40221444304 is a wasteful number, since it uses less digits than its factorization.

40221444304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 40221444304 its reverse (40344412204), we get a palindrome (80565856508).

The spelling of 40221444304 in words is "forty billion, two hundred twenty-one million, four hundred forty-four thousand, three hundred four".