40221433304 has 64 divisors (see below), whose sum is σ = 85602484800. Its totient is φ = 17585358336.

The previous prime is 40221433297. The next prime is 40221433309. The reversal of 40221433304 is 40333412204.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40221433309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34037 + ... + 285659.

It is an arithmetic number, because the mean of its divisors is an integer number (1337538825).

Almost surely, 2^40221433304 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 40221433304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42801242400).

40221433304 is an abundant number, since it is smaller than the sum of its proper divisors (45381051496).

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

40221433304 is a wasteful number, since it uses less digits than its factorization.

40221433304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251724 (or 251720 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 40221433304 its reverse (40333412204), we get a palindrome (80554845508).

The spelling of 40221433304 in words is "forty billion, two hundred twenty-one million, four hundred thirty-three thousand, three hundred four".